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[qemu-xen master] Merge remote-tracking branch 'remotes/armbru/tags/pull-misc-2020-04-29' into staging



=== This changeset includes merge from high-traffic branch ===
Commits on that branch are not reported individually.

commit 648db19685b7030aa558a4ddbd3a8e53d8c9a062
Merge: a7922a3c81f34f45b1ebc9670a7769edc4c42a43 
8ef3a4be27efccd791d05e74b7b17d918f511a76
Author:     Peter Maydell <peter.maydell@xxxxxxxxxx>
AuthorDate: Wed Apr 29 15:07:33 2020 +0100
Commit:     Peter Maydell <peter.maydell@xxxxxxxxxx>
CommitDate: Wed Apr 29 15:07:33 2020 +0100

    Merge remote-tracking branch 'remotes/armbru/tags/pull-misc-2020-04-29' 
into staging
    
    Miscellaneous patches for 2020-04-29
    
    # gpg: Signature made Wed 29 Apr 2020 07:42:52 BST
    # gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
    # gpg:                issuer "armbru@xxxxxxxxxx"
    # gpg: Good signature from "Markus Armbruster <armbru@xxxxxxxxxx>" [full]
    # gpg:                 aka "Markus Armbruster <armbru@xxxxxxxxxxxx>" [full]
    # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 
8653
    
    * remotes/armbru/tags/pull-misc-2020-04-29: (32 commits)
      qemu-option: pass NULL rather than 0 to the id of qemu_opts_set()
      libqos: Give get_machine_allocator() internal linkage
      fuzz: Simplify how we compute available machines and types
      Makefile: Drop unused, broken target recurse-fuzz
      smbus: Fix spd_data_generate() for number of banks > 2
      bamboo, sam460ex: Tidy up error message for unsupported RAM size
      smbus: Fix spd_data_generate() error API violation
      sam460ex: Suppress useless warning on -m 32 and -m 64
      qga: Fix qmp_guest_suspend_{disk, ram}() error handling
      qga: Fix qmp_guest_get_memory_blocks() error handling
      tests/test-logging: Fix test for -dfilter 0..0xffffffffffffffff
      migration/colo: Fix qmp_xen_colo_do_checkpoint() error handling
      io: Fix qio_channel_socket_close() error handling
      xen/pt: Fix flawed conversion to realize()
      virtio-net: Fix duplex=... and speed=... error handling
      bochs-display: Fix vgamem=SIZE error handling
      fdc: Fix fallback=auto error handling
      arm/virt: Fix virt_machine_device_plug_cb() error API violation
      cpus: Proper range-checking for -icount shift=N
      cpus: Fix configure_icount() error API violation
      ...
    
    Signed-off-by: Peter Maydell <peter.maydell@xxxxxxxxxx>
 Makefile                          |   1 -
 backends/cryptodev-builtin.c      |  10 +-
 block/file-posix.c                |   5 +-
 block/replication.c               |   4 +-
 block/vhdx.c                      |   8 +-
 cpus.c                            |  50 ++++++----
 dump/dump.c                       |   2 +-
 hw/arm/virt.c                     |   4 +-
 hw/block/fdc.c                    |   1 +
 hw/display/bochs-display.c        |   6 +-
 hw/i2c/smbus_eeprom.c             |  32 +-----
 hw/mips/mips_fulong2e.c           |  10 +-
 hw/net/virtio-net.c               |   7 +-
 hw/ppc/ppc4xx_devs.c              |   8 +-
 hw/ppc/sam460ex.c                 |  13 +--
 hw/riscv/sifive_u.c               |   2 +-
 hw/scsi/scsi-disk.c               |   2 +-
 hw/sd/sdhci.c                     |   2 +-
 hw/xen/xen_pt.c                   |  12 +--
 include/hw/i2c/smbus_eeprom.h     |   2 +-
 include/qemu/option.h             |   1 -
 io/channel-socket.c               |   5 +-
 migration/colo.c                  |   8 +-
 qemu-img.c                        |  87 +++++++++-------
 qga/commands-posix.c              |   3 +
 qga/commands-win32.c              |  14 +++
 softmmu/vl.c                      |  10 +-
 target/i386/cpu.c                 |  18 ++--
 target/microblaze/cpu.c           |  14 +--
 target/ppc/translate_init.inc.c   |   4 +-
 tests/qtest/fuzz/qos_fuzz.c       |  34 ++-----
 tests/qtest/libqos/qos_external.c |  68 +++++--------
 tests/qtest/libqos/qos_external.h |  10 +-
 tests/qtest/qos-test.c            |  29 ++++--
 tests/test-logging.c              |   4 +-
 tests/test-qemu-opts.c            |  46 ++++++++-
 util/qemu-option.c                | 202 +++++++++++++++++++-------------------
 37 files changed, 384 insertions(+), 354 deletions(-)

diff --git a/Makefile b/Makefile
index 8a9113e666..34275f57c9 100644
--- a/Makefile
+++ b/Makefile
@@ -582,7 +582,6 @@ $(ROM_DIRS_RULES):
 
 .PHONY: recurse-all recurse-clean recurse-install
 recurse-all: $(addsuffix /all, $(TARGET_DIRS) $(ROM_DIRS))
-recurse-fuzz: $(addsuffix /fuzz, $(TARGET_DIRS) $(ROM_DIRS))
 recurse-clean: $(addsuffix /clean, $(TARGET_DIRS) $(ROM_DIRS))
 recurse-install: $(addsuffix /install, $(TARGET_DIRS))
 $(addsuffix /install, $(TARGET_DIRS)): all
diff --git a/backends/cryptodev-builtin.c b/backends/cryptodev-builtin.c
index c8ae3b9742..14316333fe 100644
--- a/backends/cryptodev-builtin.c
+++ b/backends/cryptodev-builtin.c
@@ -282,12 +282,7 @@ static int cryptodev_builtin_sym_close_session(
     CryptoDevBackendBuiltin *builtin =
                       CRYPTODEV_BACKEND_BUILTIN(backend);
 
-    if (session_id >= MAX_NUM_SESSIONS ||
-              builtin->sessions[session_id] == NULL) {
-        error_setg(errp, "Cannot find a valid session id: %" PRIu64 "",
-                      session_id);
-        return -1;
-    }
+    assert(session_id < MAX_NUM_SESSIONS && builtin->sessions[session_id]);
 
     qcrypto_cipher_free(builtin->sessions[session_id]->cipher);
     g_free(builtin->sessions[session_id]);
@@ -356,8 +351,7 @@ static void cryptodev_builtin_cleanup(
 
     for (i = 0; i < MAX_NUM_SESSIONS; i++) {
         if (builtin->sessions[i] != NULL) {
-            cryptodev_builtin_sym_close_session(
-                    backend, i, 0, errp);
+            cryptodev_builtin_sym_close_session(backend, i, 0, &error_abort);
         }
     }
 
diff --git a/block/file-posix.c b/block/file-posix.c
index 7e19bbff5f..094e3b0212 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2691,10 +2691,13 @@ static void check_cache_dropped(BlockDriverState *bs, 
Error **errp)
         vec_end = DIV_ROUND_UP(length, page_size);
         for (i = 0; i < vec_end; i++) {
             if (vec[i] & 0x1) {
-                error_setg(errp, "page cache still in use!");
                 break;
             }
         }
+        if (i < vec_end) {
+            error_setg(errp, "page cache still in use!");
+            break;
+        }
     }
 
     if (window) {
diff --git a/block/replication.c b/block/replication.c
index da013c2041..971f0fe266 100644
--- a/block/replication.c
+++ b/block/replication.c
@@ -172,8 +172,8 @@ static void replication_child_perm(BlockDriverState *bs, 
BdrvChild *c,
     if ((bs->open_flags & (BDRV_O_INACTIVE | BDRV_O_RDWR)) == BDRV_O_RDWR) {
         *nperm |= BLK_PERM_WRITE;
     }
-    *nshared = BLK_PERM_CONSISTENT_READ \
-               | BLK_PERM_WRITE \
+    *nshared = BLK_PERM_CONSISTENT_READ
+               | BLK_PERM_WRITE
                | BLK_PERM_WRITE_UNCHANGED;
     return;
 }
diff --git a/block/vhdx.c b/block/vhdx.c
index 33e57cd656..e16fdc2f2d 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -2206,20 +2206,20 @@ static QemuOptsList vhdx_create_opts = {
            .name = VHDX_BLOCK_OPT_BLOCK_SIZE,
            .type = QEMU_OPT_SIZE,
            .def_value_str = stringify(0),
-           .help = "Block Size; min 1MB, max 256MB. " \
+           .help = "Block Size; min 1MB, max 256MB. "
                    "0 means auto-calculate based on image size."
        },
        {
            .name = BLOCK_OPT_SUBFMT,
            .type = QEMU_OPT_STRING,
-           .help = "VHDX format type, can be either 'dynamic' or 'fixed'. "\
+           .help = "VHDX format type, can be either 'dynamic' or 'fixed'. "
                    "Default is 'dynamic'."
        },
        {
            .name = VHDX_BLOCK_OPT_ZERO,
            .type = QEMU_OPT_BOOL,
-           .help = "Force use of payload blocks of type 'ZERO'. "\
-                   "Non-standard, but default.  Do not set to 'off' when "\
+           .help = "Force use of payload blocks of type 'ZERO'. "
+                   "Non-standard, but default.  Do not set to 'off' when "
                    "using 'qemu-img convert' with subformat=dynamic."
        },
        { NULL }
diff --git a/cpus.c b/cpus.c
index ef441bdf62..5670c96bcf 100644
--- a/cpus.c
+++ b/cpus.c
@@ -25,6 +25,7 @@
 #include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/config-file.h"
+#include "qemu/cutils.h"
 #include "migration/vmstate.h"
 #include "monitor/monitor.h"
 #include "qapi/error.h"
@@ -797,40 +798,47 @@ void cpu_ticks_init(void)
 
 void configure_icount(QemuOpts *opts, Error **errp)
 {
-    const char *option;
-    char *rem_str = NULL;
+    const char *option = qemu_opt_get(opts, "shift");
+    bool sleep = qemu_opt_get_bool(opts, "sleep", true);
+    bool align = qemu_opt_get_bool(opts, "align", false);
+    long time_shift = -1;
 
-    option = qemu_opt_get(opts, "shift");
-    if (!option) {
-        if (qemu_opt_get(opts, "align") != NULL) {
-            error_setg(errp, "Please specify shift option when using align");
-        }
+    if (!option && qemu_opt_get(opts, "align")) {
+        error_setg(errp, "Please specify shift option when using align");
         return;
     }
 
-    icount_sleep = qemu_opt_get_bool(opts, "sleep", true);
-    if (icount_sleep) {
-        timers_state.icount_warp_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL_RT,
-                                         icount_timer_cb, NULL);
-    }
-
-    icount_align_option = qemu_opt_get_bool(opts, "align", false);
-
-    if (icount_align_option && !icount_sleep) {
+    if (align && !sleep) {
         error_setg(errp, "align=on and sleep=off are incompatible");
+        return;
     }
+
     if (strcmp(option, "auto") != 0) {
-        errno = 0;
-        timers_state.icount_time_shift = strtol(option, &rem_str, 0);
-        if (errno != 0 || *rem_str != '\0' || !strlen(option)) {
+        if (qemu_strtol(option, NULL, 0, &time_shift) < 0
+            || time_shift < 0 || time_shift > MAX_ICOUNT_SHIFT) {
             error_setg(errp, "icount: Invalid shift value");
+            return;
         }
-        use_icount = 1;
-        return;
     } else if (icount_align_option) {
         error_setg(errp, "shift=auto and align=on are incompatible");
+        return;
     } else if (!icount_sleep) {
         error_setg(errp, "shift=auto and sleep=off are incompatible");
+        return;
+    }
+
+    icount_sleep = sleep;
+    if (icount_sleep) {
+        timers_state.icount_warp_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL_RT,
+                                         icount_timer_cb, NULL);
+    }
+
+    icount_align_option = align;
+
+    if (time_shift >= 0) {
+        timers_state.icount_time_shift = time_shift;
+        use_icount = 1;
+        return;
     }
 
     use_icount = 2;
diff --git a/dump/dump.c b/dump/dump.c
index 22ed1d3b0d..248ea06370 100644
--- a/dump/dump.c
+++ b/dump/dump.c
@@ -1892,7 +1892,7 @@ static void dump_process(DumpState *s, Error **errp)
     result = qmp_query_dump(NULL);
     /* should never fail */
     assert(result);
-    qapi_event_send_dump_completed(result, !!local_err, (local_err ? \
+    qapi_event_send_dump_completed(result, !!local_err, (local_err ?
                                    error_get_pretty(local_err) : NULL));
     qapi_free_DumpQueryResult(result);
 
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 7dc96abf72..cca5316256 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1186,7 +1186,7 @@ static void create_smmu(const VirtMachineState *vms,
     g_free(node);
 }
 
-static void create_virtio_iommu_dt_bindings(VirtMachineState *vms, Error 
**errp)
+static void create_virtio_iommu_dt_bindings(VirtMachineState *vms)
 {
     const char compat[] = "virtio,pci-iommu";
     uint16_t bdf = vms->virtio_iommu_bdf;
@@ -2118,7 +2118,7 @@ static void virt_machine_device_plug_cb(HotplugHandler 
*hotplug_dev,
 
         vms->iommu = VIRT_IOMMU_VIRTIO;
         vms->virtio_iommu_bdf = pci_get_bdf(pdev);
-        create_virtio_iommu_dt_bindings(vms, errp);
+        create_virtio_iommu_dt_bindings(vms);
     }
 }
 
diff --git a/hw/block/fdc.c b/hw/block/fdc.c
index 33bc9e2f92..9628cc171e 100644
--- a/hw/block/fdc.c
+++ b/hw/block/fdc.c
@@ -2615,6 +2615,7 @@ static void fdctrl_realize_common(DeviceState *dev, 
FDCtrl *fdctrl,
 
     if (fdctrl->fallback == FLOPPY_DRIVE_TYPE_AUTO) {
         error_setg(errp, "Cannot choose a fallback FDrive type of 'auto'");
+        return;
     }
 
     /* Fill 'command_to_handler' lookup table */
diff --git a/hw/display/bochs-display.c b/hw/display/bochs-display.c
index 70eb619ef4..e763a0a72d 100644
--- a/hw/display/bochs-display.c
+++ b/hw/display/bochs-display.c
@@ -267,16 +267,18 @@ static void bochs_display_realize(PCIDevice *dev, Error 
**errp)
     Object *obj = OBJECT(dev);
     int ret;
 
-    s->con = graphic_console_init(DEVICE(dev), 0, &bochs_display_gfx_ops, s);
-
     if (s->vgamem < 4 * MiB) {
         error_setg(errp, "bochs-display: video memory too small");
+        return;
     }
     if (s->vgamem > 256 * MiB) {
         error_setg(errp, "bochs-display: video memory too big");
+        return;
     }
     s->vgamem = pow2ceil(s->vgamem);
 
+    s->con = graphic_console_init(DEVICE(dev), 0, &bochs_display_gfx_ops, s);
+
     memory_region_init_ram(&s->vram, obj, "bochs-display-vram", s->vgamem,
                            &error_fatal);
     memory_region_init_io(&s->vbe, obj, &bochs_display_vbe_ops, s,
diff --git a/hw/i2c/smbus_eeprom.c b/hw/i2c/smbus_eeprom.c
index 5adf3b15b5..e199fc8678 100644
--- a/hw/i2c/smbus_eeprom.c
+++ b/hw/i2c/smbus_eeprom.c
@@ -195,8 +195,7 @@ void smbus_eeprom_init(I2CBus *smbus, int nb_eeprom,
 }
 
 /* Generate SDRAM SPD EEPROM data describing a module of type and size */
-uint8_t *spd_data_generate(enum sdram_type type, ram_addr_t ram_size,
-                           Error **errp)
+uint8_t *spd_data_generate(enum sdram_type type, ram_addr_t ram_size)
 {
     uint8_t *spd;
     uint8_t nbanks;
@@ -222,39 +221,18 @@ uint8_t *spd_data_generate(enum sdram_type type, 
ram_addr_t ram_size,
         g_assert_not_reached();
     }
     size = ram_size >> 20; /* work in terms of megabytes */
-    if (size < 4) {
-        error_setg(errp, "SDRAM size is too small");
-        return NULL;
-    }
     sz_log2 = 31 - clz32(size);
     size = 1U << sz_log2;
-    if (ram_size > size * MiB) {
-        error_setg(errp, "SDRAM size 0x"RAM_ADDR_FMT" is not a power of 2, "
-                   "truncating to %u MB", ram_size, size);
-    }
-    if (sz_log2 < min_log2) {
-        error_setg(errp,
-                   "Memory size is too small for SDRAM type, adjusting type");
-        if (size >= 32) {
-            type = DDR;
-            min_log2 = 5;
-            max_log2 = 12;
-        } else {
-            type = SDR;
-            min_log2 = 2;
-            max_log2 = 9;
-        }
-    }
+    assert(ram_size == size * MiB);
+    assert(sz_log2 >= min_log2);
 
     nbanks = 1;
     while (sz_log2 > max_log2 && nbanks < 8) {
         sz_log2--;
-        nbanks++;
+        nbanks *= 2;
     }
 
-    if (size > (1ULL << sz_log2) * nbanks) {
-        error_setg(errp, "Memory size is too big for SDRAM, truncating");
-    }
+    assert(size == (1ULL << sz_log2) * nbanks);
 
     /* split to 2 banks if possible to avoid a bug in MIPS Malta firmware */
     if (nbanks == 1 && sz_log2 > min_log2) {
diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c
index 5040afd581..ef02d54b33 100644
--- a/hw/mips/mips_fulong2e.c
+++ b/hw/mips/mips_fulong2e.c
@@ -297,7 +297,6 @@ static void mips_fulong2e_init(MachineState *machine)
     MemoryRegion *bios = g_new(MemoryRegion, 1);
     long bios_size;
     uint8_t *spd_data;
-    Error *err = NULL;
     int64_t kernel_entry;
     PCIBus *pci_bus;
     ISABus *isa_bus;
@@ -377,13 +376,8 @@ static void mips_fulong2e_init(MachineState *machine)
     }
 
     /* Populate SPD eeprom data */
-    spd_data = spd_data_generate(DDR, machine->ram_size, &err);
-    if (err) {
-        warn_report_err(err);
-    }
-    if (spd_data) {
-        smbus_eeprom_init_one(smbus, 0x50, spd_data);
-    }
+    spd_data = spd_data_generate(DDR, machine->ram_size);
+    smbus_eeprom_init_one(smbus, 0x50, spd_data);
 
     mc146818_rtc_init(isa_bus, 2000, NULL);
 
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index a46e3b37a7..65bb6886c7 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1526,7 +1526,7 @@ static void 
virtio_net_rsc_extract_unit6(VirtioNetRscChain *chain,
                                  + sizeof(struct eth_header));
     unit->ip = ip6;
     unit->ip_plen = &(ip6->ip6_ctlun.ip6_un1.ip6_un1_plen);
-    unit->tcp = (struct tcp_header *)(((uint8_t *)unit->ip)\
+    unit->tcp = (struct tcp_header *)(((uint8_t *)unit->ip)
                                         + sizeof(struct ip6_header));
     unit->tcp_hdrlen = (htons(unit->tcp->th_offset_flags) & 0xF000) >> 10;
 
@@ -2947,6 +2947,7 @@ static void virtio_net_device_realize(DeviceState *dev, 
Error **errp)
             n->net_conf.duplex = DUPLEX_FULL;
         } else {
             error_setg(errp, "'duplex' must be 'half' or 'full'");
+            return;
         }
         n->host_features |= (1ULL << VIRTIO_NET_F_SPEED_DUPLEX);
     } else {
@@ -2955,7 +2956,9 @@ static void virtio_net_device_realize(DeviceState *dev, 
Error **errp)
 
     if (n->net_conf.speed < SPEED_UNKNOWN) {
         error_setg(errp, "'speed' must be between 0 and INT_MAX");
-    } else if (n->net_conf.speed >= 0) {
+        return;
+    }
+    if (n->net_conf.speed >= 0) {
         n->host_features |= (1ULL << VIRTIO_NET_F_SPEED_DUPLEX);
     }
 
diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c
index 3376c43ff5..f1651e04d9 100644
--- a/hw/ppc/ppc4xx_devs.c
+++ b/hw/ppc/ppc4xx_devs.c
@@ -716,11 +716,11 @@ void ppc4xx_sdram_banks(MemoryRegion *ram, int nr_banks,
         for (i = 0; sdram_bank_sizes[i]; i++) {
             g_string_append_printf(s, "%" PRIi64 "%s",
                                    sdram_bank_sizes[i] / MiB,
-                                   sdram_bank_sizes[i + 1] ? " ," : "");
+                                   sdram_bank_sizes[i + 1] ? ", " : "");
         }
-        error_report("Max %d banks of %s MB DIMM/bank supported",
-            nr_banks, s->str);
-        error_report("Possible valid RAM size: %" PRIi64,
+        error_report("at most %d bank%s of %s MiB each supported",
+                     nr_banks, nr_banks == 1 ? "" : "s", s->str);
+        error_printf("Possible valid RAM size: %" PRIi64 " MiB \n",
             used_size ? used_size / MiB : sdram_bank_sizes[i - 1] / MiB);
 
         g_string_free(s, true);
diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c
index 898453cf30..42a8c9fb7f 100644
--- a/hw/ppc/sam460ex.c
+++ b/hw/ppc/sam460ex.c
@@ -292,7 +292,6 @@ static void sam460ex_init(MachineState *machine)
     SysBusDevice *sbdev;
     struct boot_info *boot_info;
     uint8_t *spd_data;
-    Error *err = NULL;
     int success;
 
     cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
@@ -335,14 +334,10 @@ static void sam460ex_init(MachineState *machine)
     dev = sysbus_create_simple(TYPE_PPC4xx_I2C, 0x4ef600700, uic[0][2]);
     i2c = PPC4xx_I2C(dev)->bus;
     /* SPD EEPROM on RAM module */
-    spd_data = spd_data_generate(DDR2, ram_sizes[0], &err);
-    if (err) {
-        warn_report_err(err);
-    }
-    if (spd_data) {
-        spd_data[20] = 4; /* SO-DIMM module */
-        smbus_eeprom_init_one(i2c, 0x50, spd_data);
-    }
+    spd_data = spd_data_generate(ram_sizes[0] < 128 * MiB ? DDR : DDR2,
+                                 ram_sizes[0]);
+    spd_data[20] = 4; /* SO-DIMM module */
+    smbus_eeprom_init_one(i2c, 0x50, spd_data);
     /* RTC */
     i2c_create_slave(i2c, "m41t80", 0x68);
 
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index 56351c4faa..998666c91f 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -465,7 +465,7 @@ static void riscv_sifive_u_machine_instance_init(Object 
*obj)
     object_property_add_bool(obj, "start-in-flash", 
sifive_u_get_start_in_flash,
                              sifive_u_set_start_in_flash, NULL);
     object_property_set_description(obj, "start-in-flash",
-                                    "Set on to tell QEMU's ROM to jump to " \
+                                    "Set on to tell QEMU's ROM to jump to "
                                     "flash. Otherwise QEMU will jump to DRAM",
                                     NULL);
 }
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 1c0cb63a6f..e5bcd0baf8 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -3078,7 +3078,7 @@ static const TypeInfo scsi_cd_info = {
 
 #ifdef __linux__
 static Property scsi_block_properties[] = {
-    DEFINE_BLOCK_ERROR_PROPERTIES(SCSIDiskState, qdev.conf),         \
+    DEFINE_BLOCK_ERROR_PROPERTIES(SCSIDiskState, qdev.conf),
     DEFINE_PROP_DRIVE("drive", SCSIDiskState, qdev.conf.blk),
     DEFINE_PROP_BOOL("share-rw", SCSIDiskState, qdev.conf.share_rw, false),
     DEFINE_PROP_UINT16("rotation_rate", SCSIDiskState, rotation_rate, 0),
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index de63ffb037..70531ad360 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1130,7 +1130,7 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, 
unsigned size)
 
         /* Limit block size to the maximum buffer size */
         if (extract32(s->blksize, 0, 12) > s->buf_maxsz) {
-            qemu_log_mask(LOG_GUEST_ERROR, "%s: Size 0x%x is larger than " \
+            qemu_log_mask(LOG_GUEST_ERROR, "%s: Size 0x%x is larger than "
                           "the maximum buffer 0x%x", __func__, s->blksize,
                           s->buf_maxsz);
 
diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c
index b91082cb8b..81d5ad8da7 100644
--- a/hw/xen/xen_pt.c
+++ b/hw/xen/xen_pt.c
@@ -858,8 +858,8 @@ static void xen_pt_realize(PCIDevice *d, Error **errp)
 
     rc = xc_physdev_map_pirq(xen_xc, xen_domid, machine_irq, &pirq);
     if (rc < 0) {
-        error_setg_errno(errp, errno, "Mapping machine irq %u to"
-                         " pirq %i failed", machine_irq, pirq);
+        XEN_PT_ERR(d, "Mapping machine irq %u to pirq %i failed, (err: %d)\n",
+                   machine_irq, pirq, errno);
 
         /* Disable PCI intx assertion (turn on bit10 of devctl) */
         cmd |= PCI_COMMAND_INTX_DISABLE;
@@ -880,8 +880,8 @@ static void xen_pt_realize(PCIDevice *d, Error **errp)
                                        PCI_SLOT(d->devfn),
                                        e_intx);
         if (rc < 0) {
-            error_setg_errno(errp, errno, "Binding of interrupt %u failed",
-                             e_intx);
+            XEN_PT_ERR(d, "Binding of interrupt %i failed! (err: %d)\n",
+                       e_intx, errno);
 
             /* Disable PCI intx assertion (turn on bit10 of devctl) */
             cmd |= PCI_COMMAND_INTX_DISABLE;
@@ -889,8 +889,8 @@ static void xen_pt_realize(PCIDevice *d, Error **errp)
 
             if (xen_pt_mapped_machine_irq[machine_irq] == 0) {
                 if (xc_physdev_unmap_pirq(xen_xc, xen_domid, machine_irq)) {
-                    error_setg_errno(errp, errno, "Unmapping of machine"
-                            " interrupt %u failed", machine_irq);
+                    XEN_PT_ERR(d, "Unmapping of machine interrupt %i failed!"
+                               " (err: %d)\n", machine_irq, errno);
                 }
             }
             s->machine_irq = 0;
diff --git a/include/hw/i2c/smbus_eeprom.h b/include/hw/i2c/smbus_eeprom.h
index 15e2151b50..68b0063ab6 100644
--- a/include/hw/i2c/smbus_eeprom.h
+++ b/include/hw/i2c/smbus_eeprom.h
@@ -31,6 +31,6 @@ void smbus_eeprom_init(I2CBus *bus, int nb_eeprom,
                        const uint8_t *eeprom_spd, int size);
 
 enum sdram_type { SDR = 0x4, DDR = 0x7, DDR2 = 0x8 };
-uint8_t *spd_data_generate(enum sdram_type type, ram_addr_t size, Error 
**errp);
+uint8_t *spd_data_generate(enum sdram_type type, ram_addr_t size);
 
 #endif
diff --git a/include/qemu/option.h b/include/qemu/option.h
index 844587cab3..eb4097889d 100644
--- a/include/qemu/option.h
+++ b/include/qemu/option.h
@@ -33,7 +33,6 @@ const char *get_opt_value(const char *p, char **value);
 void parse_option_size(const char *name, const char *value,
                        uint64_t *ret, Error **errp);
 bool has_help_option(const char *param);
-bool is_valid_option_list(const char *param);
 
 enum QemuOptType {
     QEMU_OPT_STRING = 0,  /* no parsing (use string as-is)                     
   */
diff --git a/io/channel-socket.c b/io/channel-socket.c
index b74f5b92a0..e1b4667087 100644
--- a/io/channel-socket.c
+++ b/io/channel-socket.c
@@ -704,6 +704,7 @@ qio_channel_socket_close(QIOChannel *ioc,
 {
     QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(ioc);
     int rc = 0;
+    Error *err = NULL;
 
     if (sioc->fd != -1) {
 #ifdef WIN32
@@ -715,8 +716,8 @@ qio_channel_socket_close(QIOChannel *ioc,
 
         if (closesocket(sioc->fd) < 0) {
             sioc->fd = -1;
-            error_setg_errno(errp, errno,
-                             "Unable to close socket");
+            error_setg_errno(&err, errno, "Unable to close socket");
+            error_propagate(errp, err);
             return -1;
         }
         sioc->fd = -1;
diff --git a/migration/colo.c b/migration/colo.c
index a54ac84f41..1b3493729b 100644
--- a/migration/colo.c
+++ b/migration/colo.c
@@ -263,7 +263,13 @@ ReplicationStatus *qmp_query_xen_replication_status(Error 
**errp)
 
 void qmp_xen_colo_do_checkpoint(Error **errp)
 {
-    replication_do_checkpoint_all(errp);
+    Error *err = NULL;
+
+    replication_do_checkpoint_all(&err);
+    if (err) {
+        error_propagate(errp, err);
+        return;
+    }
     /* Notify all filters of all NIC to do checkpoint */
     colo_notify_filters_event(COLO_EVENT_CHECKPOINT, errp);
 }
diff --git a/qemu-img.c b/qemu-img.c
index 821cbf610e..a2369766f0 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -223,6 +223,53 @@ static bool qemu_img_object_print_help(const char *type, 
QemuOpts *opts)
     return true;
 }
 
+/*
+ * Is @optarg safe for accumulate_options()?
+ * It is when multiple of them can be joined together separated by ','.
+ * To make that work, @optarg must not start with ',' (or else a
+ * separating ',' preceding it gets escaped), and it must not end with
+ * an odd number of ',' (or else a separating ',' following it gets
+ * escaped), or be empty (or else a separating ',' preceding it can
+ * escape a separating ',' following it).
+ * 
+ */
+static bool is_valid_option_list(const char *optarg)
+{
+    size_t len = strlen(optarg);
+    size_t i;
+
+    if (!optarg[0] || optarg[0] == ',') {
+        return false;
+    }
+
+    for (i = len; i > 0 && optarg[i - 1] == ','; i--) {
+    }
+    if ((len - i) % 2) {
+        return false;
+    }
+
+    return true;
+}
+
+static int accumulate_options(char **options, char *optarg)
+{
+    char *new_options;
+
+    if (!is_valid_option_list(optarg)) {
+        error_report("Invalid option list: %s", optarg);
+        return -1;
+    }
+
+    if (!*options) {
+        *options = g_strdup(optarg);
+    } else {
+        new_options = g_strdup_printf("%s,%s", *options, optarg);
+        g_free(*options);
+        *options = new_options;
+    }
+    return 0;
+}
+
 static QemuOptsList qemu_source_opts = {
     .name = "source",
     .implied_opt_name = "file",
@@ -482,17 +529,9 @@ static int img_create(int argc, char **argv)
             fmt = optarg;
             break;
         case 'o':
-            if (!is_valid_option_list(optarg)) {
-                error_report("Invalid option list: %s", optarg);
+            if (accumulate_options(&options, optarg) < 0) {
                 goto fail;
             }
-            if (!options) {
-                options = g_strdup(optarg);
-            } else {
-                char *old_options = options;
-                options = g_strdup_printf("%s,%s", options, optarg);
-                g_free(old_options);
-            }
             break;
         case 'q':
             quiet = true;
@@ -2127,17 +2166,9 @@ static int img_convert(int argc, char **argv)
             s.compressed = true;
             break;
         case 'o':
-            if (!is_valid_option_list(optarg)) {
-                error_report("Invalid option list: %s", optarg);
+            if (accumulate_options(&options, optarg) < 0) {
                 goto fail_getopt;
             }
-            if (!options) {
-                options = g_strdup(optarg);
-            } else {
-                char *old_options = options;
-                options = g_strdup_printf("%s,%s", options, optarg);
-                g_free(old_options);
-            }
             break;
         case 'l':
             if (strstart(optarg, SNAPSHOT_OPT_BASE, NULL)) {
@@ -3953,18 +3984,10 @@ static int img_amend(int argc, char **argv)
             help();
             break;
         case 'o':
-            if (!is_valid_option_list(optarg)) {
-                error_report("Invalid option list: %s", optarg);
+            if (accumulate_options(&options, optarg) < 0) {
                 ret = -1;
                 goto out_no_progress;
             }
-            if (!options) {
-                options = g_strdup(optarg);
-            } else {
-                char *old_options = options;
-                options = g_strdup_printf("%s,%s", options, optarg);
-                g_free(old_options);
-            }
             break;
         case 'f':
             fmt = optarg;
@@ -4855,17 +4878,9 @@ static int img_measure(int argc, char **argv)
             out_fmt = optarg;
             break;
         case 'o':
-            if (!is_valid_option_list(optarg)) {
-                error_report("Invalid option list: %s", optarg);
+            if (accumulate_options(&options, optarg) < 0) {
                 goto out;
             }
-            if (!options) {
-                options = g_strdup(optarg);
-            } else {
-                char *old_options = options;
-                options = g_strdup_printf("%s,%s", options, optarg);
-                g_free(old_options);
-            }
             break;
         case 'l':
             if (strstart(optarg, SNAPSHOT_OPT_BASE, NULL)) {
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index a52af0315f..ae1348dc8f 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -2518,6 +2518,9 @@ GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error 
**errp)
         mem_blk->phys_index = strtoul(&de->d_name[6], NULL, 10);
         mem_blk->has_can_offline = true; /* lolspeak ftw */
         transfer_memory_block(mem_blk, true, NULL, &local_err);
+        if (local_err) {
+            break;
+        }
 
         entry = g_malloc0(sizeof *entry);
         entry->value = mem_blk;
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 9717a8d52d..5ba56327dd 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -1322,9 +1322,16 @@ void qmp_guest_suspend_disk(Error **errp)
 
     *mode = GUEST_SUSPEND_MODE_DISK;
     check_suspend_mode(*mode, &local_err);
+    if (local_err) {
+        goto out;
+    }
     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
+    if (local_err) {
+        goto out;
+    }
     execute_async(do_suspend, mode, &local_err);
 
+out:
     if (local_err) {
         error_propagate(errp, local_err);
         g_free(mode);
@@ -1338,9 +1345,16 @@ void qmp_guest_suspend_ram(Error **errp)
 
     *mode = GUEST_SUSPEND_MODE_RAM;
     check_suspend_mode(*mode, &local_err);
+    if (local_err) {
+        goto out;
+    }
     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
+    if (local_err) {
+        goto out;
+    }
     execute_async(do_suspend, mode, &local_err);
 
+out:
     if (local_err) {
         error_propagate(errp, local_err);
         g_free(mode);
diff --git a/softmmu/vl.c b/softmmu/vl.c
index 32c0047889..afd2615fb3 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -3059,19 +3059,19 @@ void qemu_init(int argc, char **argv, char **envp)
                 }
                 break;
             case QEMU_OPTION_kernel:
-                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
+                qemu_opts_set(qemu_find_opts("machine"), NULL, "kernel", 
optarg,
                               &error_abort);
                 break;
             case QEMU_OPTION_initrd:
-                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
+                qemu_opts_set(qemu_find_opts("machine"), NULL, "initrd", 
optarg,
                               &error_abort);
                 break;
             case QEMU_OPTION_append:
-                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
+                qemu_opts_set(qemu_find_opts("machine"), NULL, "append", 
optarg,
                               &error_abort);
                 break;
             case QEMU_OPTION_dtb:
-                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
+                qemu_opts_set(qemu_find_opts("machine"), NULL, "dtb", optarg,
                               &error_abort);
                 break;
             case QEMU_OPTION_cdrom:
@@ -3182,7 +3182,7 @@ void qemu_init(int argc, char **argv, char **envp)
                 }
                 break;
             case QEMU_OPTION_bios:
-                qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
+                qemu_opts_set(qemu_find_opts("machine"), NULL, "firmware", 
optarg,
                               &error_abort);
                 break;
             case QEMU_OPTION_singlestep:
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 90ffc5f3b1..9c256ab159 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5784,9 +5784,9 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, 
uint32_t count,
             host_cpuid(index, 0, eax, ebx, ecx, edx);
             break;
         }
-        *eax = (L1_DTLB_2M_ASSOC << 24) | (L1_DTLB_2M_ENTRIES << 16) | \
+        *eax = (L1_DTLB_2M_ASSOC << 24) | (L1_DTLB_2M_ENTRIES << 16) |
                (L1_ITLB_2M_ASSOC <<  8) | (L1_ITLB_2M_ENTRIES);
-        *ebx = (L1_DTLB_4K_ASSOC << 24) | (L1_DTLB_4K_ENTRIES << 16) | \
+        *ebx = (L1_DTLB_4K_ASSOC << 24) | (L1_DTLB_4K_ENTRIES << 16) |
                (L1_ITLB_4K_ASSOC <<  8) | (L1_ITLB_4K_ENTRIES);
         *ecx = encode_cache_cpuid80000005(env->cache_info_amd.l1d_cache);
         *edx = encode_cache_cpuid80000005(env->cache_info_amd.l1i_cache);
@@ -5797,13 +5797,13 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, 
uint32_t count,
             host_cpuid(index, 0, eax, ebx, ecx, edx);
             break;
         }
-        *eax = (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC) << 28) | \
-               (L2_DTLB_2M_ENTRIES << 16) | \
-               (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC) << 12) | \
+        *eax = (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC) << 28) |
+               (L2_DTLB_2M_ENTRIES << 16) |
+               (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC) << 12) |
                (L2_ITLB_2M_ENTRIES);
-        *ebx = (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC) << 28) | \
-               (L2_DTLB_4K_ENTRIES << 16) | \
-               (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC) << 12) | \
+        *ebx = (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC) << 28) |
+               (L2_DTLB_4K_ENTRIES << 16) |
+               (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC) << 12) |
                (L2_ITLB_4K_ENTRIES);
         encode_cache_cpuid80000006(env->cache_info_amd.l2_cache,
                                    cpu->enable_l3_cache ?
@@ -6326,7 +6326,7 @@ static void x86_cpu_expand_features(X86CPU *cpu, Error 
**errp)
              */
             env->features[w] |=
                 x86_cpu_get_supported_feature_word(w, cpu->migratable) &
-                ~env->user_features[w] & \
+                ~env->user_features[w] &
                 ~feature_word_info[w].no_autoenable_flags;
         }
     }
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
index a2c2f271df..c9cf2364ca 100644
--- a/target/microblaze/cpu.c
+++ b/target/microblaze/cpu.c
@@ -163,14 +163,14 @@ static void mb_cpu_realizefn(DeviceState *dev, Error 
**errp)
 
     qemu_init_vcpu(cs);
 
-    env->pvr.regs[0] = PVR0_USE_EXC_MASK \
-                       | PVR0_USE_ICACHE_MASK \
+    env->pvr.regs[0] = PVR0_USE_EXC_MASK
+                       | PVR0_USE_ICACHE_MASK
                        | PVR0_USE_DCACHE_MASK;
-    env->pvr.regs[2] = PVR2_D_OPB_MASK \
-                        | PVR2_D_LMB_MASK \
-                        | PVR2_I_OPB_MASK \
-                        | PVR2_I_LMB_MASK \
-                        | PVR2_FPU_EXC_MASK \
+    env->pvr.regs[2] = PVR2_D_OPB_MASK
+                        | PVR2_D_LMB_MASK
+                        | PVR2_I_OPB_MASK
+                        | PVR2_I_LMB_MASK
+                        | PVR2_FPU_EXC_MASK
                         | 0;
 
     version = cpu->cfg.version ? cpu->cfg.version : DEFAULT_CPU_VERSION;
diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c
index e853164a86..fd763e588e 100644
--- a/target/ppc/translate_init.inc.c
+++ b/target/ppc/translate_init.inc.c
@@ -5210,7 +5210,7 @@ POWERPC_FAMILY(e5500)(ObjectClass *oc, void *data)
                        PPC_FLOAT_STFIWX | PPC_WAIT |
                        PPC_MEM_TLBSYNC | PPC_TLBIVAX | PPC_MEM_SYNC |
                        PPC_64B | PPC_POPCNTB | PPC_POPCNTWD;
-    pcc->insns_flags2 = PPC2_BOOKE206 | PPC2_PRCNTL | PPC2_PERM_ISA206 | \
+    pcc->insns_flags2 = PPC2_BOOKE206 | PPC2_PRCNTL | PPC2_PERM_ISA206 |
                         PPC2_FP_CVT_S64;
     pcc->msr_mask = (1ull << MSR_CM) |
                     (1ull << MSR_GS) |
@@ -5258,7 +5258,7 @@ POWERPC_FAMILY(e6500)(ObjectClass *oc, void *data)
                        PPC_FLOAT_STFIWX | PPC_WAIT |
                        PPC_MEM_TLBSYNC | PPC_TLBIVAX | PPC_MEM_SYNC |
                        PPC_64B | PPC_POPCNTB | PPC_POPCNTWD | PPC_ALTIVEC;
-    pcc->insns_flags2 = PPC2_BOOKE206 | PPC2_PRCNTL | PPC2_PERM_ISA206 | \
+    pcc->insns_flags2 = PPC2_BOOKE206 | PPC2_PRCNTL | PPC2_PERM_ISA206 |
                         PPC2_FP_CVT_S64 | PPC2_ATOMIC_ISA206;
     pcc->msr_mask = (1ull << MSR_CM) |
                     (1ull << MSR_GS) |
diff --git a/tests/qtest/fuzz/qos_fuzz.c b/tests/qtest/fuzz/qos_fuzz.c
index af28c92866..87eadb0889 100644
--- a/tests/qtest/fuzz/qos_fuzz.c
+++ b/tests/qtest/fuzz/qos_fuzz.c
@@ -36,7 +36,6 @@
 
 #include "qapi/qapi-commands-machine.h"
 #include "qapi/qapi-commands-qom.h"
-#include "qapi/qmp/qlist.h"
 
 
 void *fuzz_qos_obj;
@@ -45,34 +44,19 @@ QGuestAllocator *fuzz_qos_alloc;
 static const char *fuzz_target_name;
 static char **fuzz_path_vec;
 
-/*
- * Replaced the qmp commands with direct qmp_marshal calls.
- * Probably there is a better way to do this
- */
 static void qos_set_machines_devices_available(void)
 {
-    QDict *req = qdict_new();
-    QObject *response;
-    QDict *args = qdict_new();
-    QList *lst;
-
-    qmp_marshal_query_machines(NULL, &response, &error_abort);
-    lst = qobject_to(QList, response);
-    apply_to_qlist(lst, true);
-
-    qobject_unref(response);
-
+    MachineInfoList *mach_info;
+    ObjectTypeInfoList *type_info;
 
-    qdict_put_str(req, "execute", "qom-list-types");
-    qdict_put_str(args, "implements", "device");
-    qdict_put_bool(args, "abstract", true);
-    qdict_put_obj(req, "arguments", (QObject *) args);
+    mach_info = qmp_query_machines(&error_abort);
+    machines_apply_to_node(mach_info);
+    qapi_free_MachineInfoList(mach_info);
 
-    qmp_marshal_qom_list_types(args, &response, &error_abort);
-    lst = qobject_to(QList, response);
-    apply_to_qlist(lst, false);
-    qobject_unref(response);
-    qobject_unref(req);
+    type_info = qmp_qom_list_types(true, "device", true, true,
+                                   &error_abort);
+    types_apply_to_node(type_info);
+    qapi_free_ObjectTypeInfoList(type_info);
 }
 
 static char **current_path;
diff --git a/tests/qtest/libqos/qos_external.c 
b/tests/qtest/libqos/qos_external.c
index 398556dde0..9f5180e18d 100644
--- a/tests/qtest/libqos/qos_external.c
+++ b/tests/qtest/libqos/qos_external.c
@@ -29,66 +29,44 @@
 #include "libqos/qgraph_internal.h"
 #include "libqos/qos_external.h"
 
+static void machine_apply_to_node(const char *name)
+{
+    char *machine_name = g_strconcat(qtest_get_arch(), "/", name, NULL);
 
+    qos_graph_node_set_availability(machine_name, true);
+    g_free(machine_name);
+}
 
-void apply_to_node(const char *name, bool is_machine, bool is_abstract)
+void machines_apply_to_node(MachineInfoList *mach_info)
 {
-    char *machine_name = NULL;
-    if (is_machine) {
-        const char *arch = qtest_get_arch();
-        machine_name = g_strconcat(arch, "/", name, NULL);
-        name = machine_name;
+    MachineInfoList *tail;
+
+    for (tail = mach_info; tail; tail = tail->next) {
+        machine_apply_to_node(tail->value->name);
+        if (tail->value->alias) {
+            machine_apply_to_node(tail->value->alias);
+        }
     }
+}
+
+static void type_apply_to_node(const char *name, bool is_abstract)
+{
     qos_graph_node_set_availability(name, true);
     if (is_abstract) {
         qos_delete_cmd_line(name);
     }
-    g_free(machine_name);
 }
 
-/**
- * apply_to_qlist(): using QMP queries QEMU for a list of
- * machines and devices available, and sets the respective node
- * as true. If a node is found, also all its produced and contained
- * child are marked available.
- *
- * See qos_graph_node_set_availability() for more info
- */
-void apply_to_qlist(QList *list, bool is_machine)
+void types_apply_to_node(ObjectTypeInfoList *type_info)
 {
-    const QListEntry *p;
-    const char *name;
-    bool abstract;
-    QDict *minfo;
-    QObject *qobj;
-    QString *qstr;
-    QBool *qbool;
-
-    for (p = qlist_first(list); p; p = qlist_next(p)) {
-        minfo = qobject_to(QDict, qlist_entry_obj(p));
-        qobj = qdict_get(minfo, "name");
-        qstr = qobject_to(QString, qobj);
-        name = qstring_get_str(qstr);
-
-        qobj = qdict_get(minfo, "abstract");
-        if (qobj) {
-            qbool = qobject_to(QBool, qobj);
-            abstract = qbool_get_bool(qbool);
-        } else {
-            abstract = false;
-        }
+    ObjectTypeInfoList *tail;
 
-        apply_to_node(name, is_machine, abstract);
-        qobj = qdict_get(minfo, "alias");
-        if (qobj) {
-            qstr = qobject_to(QString, qobj);
-            name = qstring_get_str(qstr);
-            apply_to_node(name, is_machine, abstract);
-        }
+    for (tail = type_info; tail; tail = tail->next) {
+        type_apply_to_node(tail->value->name, tail->value->abstract);
     }
 }
 
-QGuestAllocator *get_machine_allocator(QOSGraphObject *obj)
+static QGuestAllocator *get_machine_allocator(QOSGraphObject *obj)
 {
     return obj->get_driver(obj, "memory");
 }
diff --git a/tests/qtest/libqos/qos_external.h 
b/tests/qtest/libqos/qos_external.h
index 7b44930c55..72d7f91707 100644
--- a/tests/qtest/libqos/qos_external.h
+++ b/tests/qtest/libqos/qos_external.h
@@ -18,11 +18,13 @@
 
 #ifndef QOS_EXTERNAL_H
 #define QOS_EXTERNAL_H
-#include "libqos/qgraph.h"
 
-void apply_to_node(const char *name, bool is_machine, bool is_abstract);
-void apply_to_qlist(QList *list, bool is_machine);
-QGuestAllocator *get_machine_allocator(QOSGraphObject *obj);
+#include "libqos/malloc.h"
+#include "qapi/qapi-types-machine.h"
+#include "qapi/qapi-types-qom.h"
+
+void machines_apply_to_node(MachineInfoList *mach_info);
+void types_apply_to_node(ObjectTypeInfoList *type_info);
 void *allocate_objects(QTestState *qts, char **path, QGuestAllocator 
**p_alloc);
 
 #endif
diff --git a/tests/qtest/qos-test.c b/tests/qtest/qos-test.c
index ad193f43a5..3062a13557 100644
--- a/tests/qtest/qos-test.c
+++ b/tests/qtest/qos-test.c
@@ -19,11 +19,12 @@
 #include "qemu/osdep.h"
 #include <getopt.h>
 #include "libqtest-single.h"
+#include "qapi/error.h"
 #include "qapi/qmp/qdict.h"
-#include "qapi/qmp/qbool.h"
-#include "qapi/qmp/qstring.h"
 #include "qemu/module.h"
-#include "qapi/qmp/qlist.h"
+#include "qapi/qobject-input-visitor.h"
+#include "qapi/qapi-visit-machine.h"
+#include "qapi/qapi-visit-qom.h"
 #include "libqos/malloc.h"
 #include "libqos/qgraph.h"
 #include "libqos/qgraph_internal.h"
@@ -51,13 +52,20 @@ static void qos_set_machines_devices_available(void)
 {
     QDict *response;
     QDict *args = qdict_new();
-    QList *list;
+    QObject *ret;
+    Visitor *v;
+    MachineInfoList *mach_info;
+    ObjectTypeInfoList *type_info;
 
     qtest_start("-machine none");
     response = qmp("{ 'execute': 'query-machines' }");
-    list = qdict_get_qlist(response, "return");
+    ret = qdict_get(response, "return");
 
-    apply_to_qlist(list, true);
+    v = qobject_input_visitor_new(ret);
+    visit_type_MachineInfoList(v, NULL, &mach_info, &error_abort);
+    visit_free(v);
+    machines_apply_to_node(mach_info);
+    qapi_free_MachineInfoList(mach_info);
 
     qobject_unref(response);
 
@@ -66,10 +74,13 @@ static void qos_set_machines_devices_available(void)
 
     response = qmp("{'execute': 'qom-list-types',"
                    " 'arguments': %p }", args);
-    g_assert(qdict_haskey(response, "return"));
-    list = qdict_get_qlist(response, "return");
+    ret = qdict_get(response, "return");
 
-    apply_to_qlist(list, false);
+    v = qobject_input_visitor_new(ret);
+    visit_type_ObjectTypeInfoList(v, NULL, &type_info, &error_abort);
+    visit_free(v);
+    types_apply_to_node(type_info);
+    qapi_free_ObjectTypeInfoList(type_info);
 
     qtest_end();
     qobject_unref(response);
diff --git a/tests/test-logging.c b/tests/test-logging.c
index 6387e4933f..8580b82420 100644
--- a/tests/test-logging.c
+++ b/tests/test-logging.c
@@ -73,10 +73,10 @@ static void test_parse_range(void)
     g_assert(qemu_log_in_addr_range(UINT64_MAX));
     g_assert_false(qemu_log_in_addr_range(UINT64_MAX - 1));
 
-    qemu_set_dfilter_ranges("0..0xffffffffffffffff", &err);
+    qemu_set_dfilter_ranges("0..0xffffffffffffffff", &error_abort);
     g_assert(qemu_log_in_addr_range(0));
     g_assert(qemu_log_in_addr_range(UINT64_MAX));
- 
+
     qemu_set_dfilter_ranges("2..1", &err);
     error_free_or_abort(&err);
 
diff --git a/tests/test-qemu-opts.c b/tests/test-qemu-opts.c
index ef96e84aed..2a0f42a09b 100644
--- a/tests/test-qemu-opts.c
+++ b/tests/test-qemu-opts.c
@@ -500,10 +500,10 @@ static void test_opts_parse(void)
     g_assert(!opts);
     /* TODO Cover .merge_lists = true */
 
-    /* Buggy ID recognition */
+    /* Buggy ID recognition (fixed) */
     opts = qemu_opts_parse(&opts_list_03, "x=,,id=bar", false, &error_abort);
     g_assert_cmpuint(opts_count(opts), ==, 1);
-    g_assert_cmpstr(qemu_opts_id(opts), ==, "bar"); /* BUG */
+    g_assert(!qemu_opts_id(opts));
     g_assert_cmpstr(qemu_opt_get(opts, "x"), ==, ",id=bar");
 
     /* Anti-social ID */
@@ -728,6 +728,47 @@ static void test_opts_parse_size(void)
     qemu_opts_reset(&opts_list_02);
 }
 
+static void test_has_help_option(void)
+{
+    static const struct {
+        const char *params;
+        /* expected value of qemu_opt_has_help_opt() with implied=false */
+        bool expect;
+        /* expected value of qemu_opt_has_help_opt() with implied=true */
+        bool expect_implied;
+    } test[] = {
+        { "help", true, false },
+        { "?", true, false },
+        { "helpme", false, false },
+        { "?me", false, false },
+        { "a,help", true, true },
+        { "a,?", true, true },
+        { "a=0,help,b", true, true },
+        { "a=0,?,b", true, true },
+        { "help,b=1", true, false },
+        { "?,b=1", true, false },
+        { "a,b,,help", true, true },
+        { "a,b,,?", true, true },
+    };
+    int i;
+    QemuOpts *opts;
+
+    for (i = 0; i < ARRAY_SIZE(test); i++) {
+        g_assert_cmpint(has_help_option(test[i].params),
+                        ==, test[i].expect);
+        opts = qemu_opts_parse(&opts_list_03, test[i].params, false,
+                               &error_abort);
+        g_assert_cmpint(qemu_opt_has_help_opt(opts),
+                        ==, test[i].expect);
+        qemu_opts_del(opts);
+        opts = qemu_opts_parse(&opts_list_03, test[i].params, true,
+                               &error_abort);
+        g_assert_cmpint(qemu_opt_has_help_opt(opts),
+                        ==, test[i].expect_implied);
+        qemu_opts_del(opts);
+    }
+}
+
 static void append_verify_list_01(QemuOptDesc *desc, bool with_overlapping)
 {
     int i = 0;
@@ -990,6 +1031,7 @@ int main(int argc, char *argv[])
     g_test_add_func("/qemu-opts/opts_parse/bool", test_opts_parse_bool);
     g_test_add_func("/qemu-opts/opts_parse/number", test_opts_parse_number);
     g_test_add_func("/qemu-opts/opts_parse/size", test_opts_parse_size);
+    g_test_add_func("/qemu-opts/has_help_option", test_has_help_option);
     g_test_add_func("/qemu-opts/append_to_null", test_opts_append_to_null);
     g_test_add_func("/qemu-opts/append", test_opts_append);
     g_test_add_func("/qemu-opts/to_qdict/basic", test_opts_to_qdict_basic);
diff --git a/util/qemu-option.c b/util/qemu-option.c
index 97172b5eaa..9542988183 100644
--- a/util/qemu-option.c
+++ b/util/qemu-option.c
@@ -165,48 +165,6 @@ void parse_option_size(const char *name, const char *value,
     *ret = size;
 }
 
-bool has_help_option(const char *param)
-{
-    const char *p = param;
-    bool result = false;
-
-    while (*p && !result) {
-        char *value;
-
-        p = get_opt_value(p, &value);
-        if (*p) {
-            p++;
-        }
-
-        result = is_help_option(value);
-        g_free(value);
-    }
-
-    return result;
-}
-
-bool is_valid_option_list(const char *p)
-{
-    char *value = NULL;
-    bool result = false;
-
-    while (*p) {
-        p = get_opt_value(p, &value);
-        if ((*p && !*++p) ||
-            (!*value || *value == ',')) {
-            goto out;
-        }
-
-        g_free(value);
-        value = NULL;
-    }
-
-    result = true;
-out:
-    g_free(value);
-    return result;
-}
-
 static const char *opt_type_to_string(enum QemuOptType type)
 {
     switch (type) {
@@ -539,7 +497,7 @@ int qemu_opt_unset(QemuOpts *opts, const char *name)
 }
 
 static void opt_set(QemuOpts *opts, const char *name, char *value,
-                    bool prepend, bool *invalidp, Error **errp)
+                    bool prepend, bool *help_wanted, Error **errp)
 {
     QemuOpt *opt;
     const QemuOptDesc *desc;
@@ -549,8 +507,8 @@ static void opt_set(QemuOpts *opts, const char *name, char 
*value,
     if (!desc && !opts_accepts_any(opts)) {
         g_free(value);
         error_setg(errp, QERR_INVALID_PARAMETER, name);
-        if (invalidp) {
-            *invalidp = true;
+        if (help_wanted && is_help_option(name)) {
+            *help_wanted = true;
         }
         return;
     }
@@ -805,61 +763,108 @@ void qemu_opts_print(QemuOpts *opts, const char 
*separator)
     }
 }
 
+static const char *get_opt_name_value(const char *params,
+                                      const char *firstname,
+                                      char **name, char **value)
+{
+    const char *p, *pe, *pc;
+
+    pe = strchr(params, '=');
+    pc = strchr(params, ',');
+
+    if (!pe || (pc && pc < pe)) {
+        /* found "foo,more" */
+        if (firstname) {
+            /* implicitly named first option */
+            *name = g_strdup(firstname);
+            p = get_opt_value(params, value);
+        } else {
+            /* option without value, must be a flag */
+            p = get_opt_name(params, name, ',');
+            if (strncmp(*name, "no", 2) == 0) {
+                memmove(*name, *name + 2, strlen(*name + 2) + 1);
+                *value = g_strdup("off");
+            } else {
+                *value = g_strdup("on");
+            }
+        }
+    } else {
+        /* found "foo=bar,more" */
+        p = get_opt_name(params, name, '=');
+        assert(*p == '=');
+        p++;
+        p = get_opt_value(p, value);
+    }
+
+    assert(!*p || *p == ',');
+    if (*p == ',') {
+        p++;
+    }
+    return p;
+}
+
 static void opts_do_parse(QemuOpts *opts, const char *params,
                           const char *firstname, bool prepend,
-                          bool *invalidp, Error **errp)
+                          bool *help_wanted, Error **errp)
 {
-    char *option = NULL;
-    char *value = NULL;
-    const char *p,*pe,*pc;
     Error *local_err = NULL;
+    char *option, *value;
+    const char *p;
 
-    for (p = params; *p != '\0'; p++) {
-        pe = strchr(p, '=');
-        pc = strchr(p, ',');
-        if (!pe || (pc && pc < pe)) {
-            /* found "foo,more" */
-            if (p == params && firstname) {
-                /* implicitly named first option */
-                option = g_strdup(firstname);
-                p = get_opt_value(p, &value);
-            } else {
-                /* option without value, probably a flag */
-                p = get_opt_name(p, &option, ',');
-                if (strncmp(option, "no", 2) == 0) {
-                    memmove(option, option+2, strlen(option+2)+1);
-                    value = g_strdup("off");
-                } else {
-                    value = g_strdup("on");
-                }
-            }
-        } else {
-            /* found "foo=bar,more" */
-            p = get_opt_name(p, &option, '=');
-            assert(*p == '=');
-            p++;
-            p = get_opt_value(p, &value);
+    for (p = params; *p;) {
+        p = get_opt_name_value(p, firstname, &option, &value);
+        firstname = NULL;
+
+        if (!strcmp(option, "id")) {
+            g_free(option);
+            g_free(value);
+            continue;
         }
-        if (strcmp(option, "id") != 0) {
-            /* store and parse */
-            opt_set(opts, option, value, prepend, invalidp, &local_err);
-            value = NULL;
-            if (local_err) {
-                error_propagate(errp, local_err);
-                goto cleanup;
-            }
+
+        opt_set(opts, option, value, prepend, help_wanted, &local_err);
+        g_free(option);
+        if (local_err) {
+            error_propagate(errp, local_err);
+            return;
         }
-        if (*p != ',') {
-            break;
+    }
+}
+
+static char *opts_parse_id(const char *params)
+{
+    const char *p;
+    char *name, *value;
+
+    for (p = params; *p;) {
+        p = get_opt_name_value(p, NULL, &name, &value);
+        if (!strcmp(name, "id")) {
+            g_free(name);
+            return value;
         }
-        g_free(option);
+        g_free(name);
         g_free(value);
-        option = value = NULL;
     }
 
- cleanup:
-    g_free(option);
-    g_free(value);
+    return NULL;
+}
+
+bool has_help_option(const char *params)
+{
+    const char *p;
+    char *name, *value;
+    bool ret;
+
+    for (p = params; *p;) {
+        p = get_opt_name_value(p, NULL, &name, &value);
+        ret = is_help_option(name);
+        g_free(name);
+        g_free(value);
+        if (ret) {
+            return true;
+        }
+    }
+
+    return false;
 }
 
 /**
@@ -876,23 +881,16 @@ void qemu_opts_do_parse(QemuOpts *opts, const char 
*params,
 
 static QemuOpts *opts_parse(QemuOptsList *list, const char *params,
                             bool permit_abbrev, bool defaults,
-                            bool *invalidp, Error **errp)
+                            bool *help_wanted, Error **errp)
 {
     const char *firstname;
-    char *id = NULL;
-    const char *p;
+    char *id = opts_parse_id(params);
     QemuOpts *opts;
     Error *local_err = NULL;
 
     assert(!permit_abbrev || list->implied_opt_name);
     firstname = permit_abbrev ? list->implied_opt_name : NULL;
 
-    if (strncmp(params, "id=", 3) == 0) {
-        get_opt_value(params + 3, &id);
-    } else if ((p = strstr(params, ",id=")) != NULL) {
-        get_opt_value(p + 4, &id);
-    }
-
     /*
      * This code doesn't work for defaults && !list->merge_lists: when
      * params has no id=, and list has an element with !opts->id, it
@@ -908,7 +906,7 @@ static QemuOpts *opts_parse(QemuOptsList *list, const char 
*params,
         return NULL;
     }
 
-    opts_do_parse(opts, params, firstname, defaults, invalidp, &local_err);
+    opts_do_parse(opts, params, firstname, defaults, help_wanted, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
         qemu_opts_del(opts);
@@ -944,11 +942,11 @@ QemuOpts *qemu_opts_parse_noisily(QemuOptsList *list, 
const char *params,
 {
     Error *err = NULL;
     QemuOpts *opts;
-    bool invalidp = false;
+    bool help_wanted = false;
 
-    opts = opts_parse(list, params, permit_abbrev, false, &invalidp, &err);
+    opts = opts_parse(list, params, permit_abbrev, false, &help_wanted, &err);
     if (err) {
-        if (invalidp && has_help_option(params)) {
+        if (help_wanted) {
             qemu_opts_print_help(list, true);
             error_free(err);
         } else {
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#master



 


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