[Xen-devel] [PATCH 2 of 5] libxl: Accept disk name in libxl_devid_to_device_disk

[Marek Marczykowski <marmarek@xxxxxxxxxxxx>]

# HG changeset patch
# User Marek Marczykowski <marmarek@xxxxxxxxxxxx>
# Date 1307285297 -7200
# Node ID 8080606fb87a751f7cde4c6a08e3945a21d397b0
# Parent  969051f07ee813d2a556f50d37cf59d4e509bf67
libxl: Accept disk name in libxl_devid_to_device_disk

Accept disk name in xl block-detach.

Signed-off-by: Marek Marczykowski <marmarek@xxxxxxxxxxxx>

diff --git a/tools/libxl/libxl_device.c b/tools/libxl/libxl_device.c
--- a/tools/libxl/libxl_device.c
+++ b/tools/libxl/libxl_device.c
@@ -201,7 +201,7 @@ static int device_virtdisk_matches(const
     return 1;
 }
 
-int libxl__device_disk_dev_number(char *virtpath)
+int libxl__device_disk_dev_number(const char *virtpath)
 {
     int disk, partition;
     char *ep;
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -182,7 +182,7 @@ _hidden char *libxl__device_disk_string_
 _hidden char *libxl__device_disk_string_of_format(libxl_disk_format format);
 
 _hidden int libxl__device_physdisk_major_minor(const char *physpath, int 
*major, int *minor);
-_hidden int libxl__device_disk_dev_number(char *virtpath);
+_hidden int libxl__device_disk_dev_number(const char *virtpath);
 
 _hidden int libxl__device_generic_add(libxl_ctx *ctx, libxl__device *device,
                              char **bents, char **fents);
diff --git a/tools/libxl/libxl_utils.c b/tools/libxl/libxl_utils.c
--- a/tools/libxl/libxl_utils.c
+++ b/tools/libxl/libxl_utils.c
@@ -529,18 +529,18 @@ int libxl_devid_to_device_disk(libxl_ctx
                                const char *devid, libxl_device_disk *disk)
 {
     libxl__gc gc = LIBXL_INIT_GC(ctx);
-    char *endptr, *val;
+    char *val;
     char *dompath, *diskpath, *be_path;
     unsigned int devid_n;
     int rc = ERROR_INVAL;
 
-    devid_n = strtoul(devid, &endptr, 10);
-    if (devid == endptr) {
+    devid_n = libxl__device_disk_dev_number(devid);
+    if (devid_n < 0) {
         goto out;
     }
     rc = ERROR_FAIL;
     dompath = libxl__xs_get_dompath(&gc, domid);
-    diskpath = libxl__sprintf(&gc, "%s/device/vbd/%s", dompath, devid);
+    diskpath = libxl__sprintf(&gc, "%s/device/vbd/%d", dompath, devid_n);
     if (!diskpath) {
         goto out;
     }



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