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[Xen-devel] [PATCH 1/2] libxl: add "downscript=no" to Qemu call



Currently we only pass script=no to Qemu, to avoid calling any scripts when
attaching a tap interface, but we should also pass downscript=no to avoid Qemu
trying to execute a script when disconnecting the interface. This prevents the
following harmless error message:

/etc/qemu-ifdown: could not launch network script

Changes since v2:

 * Remove non related indentation changes.

Changes since v1:

 * Indentation fixes.

Signed-off-by: Roger Pau Monne <roger.pau@xxxxxxxxxx>
---
 tools/libxl/libxl_dm.c |   21 ++++++++++++++-------
 1 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index ff5f8ad..0d7524c 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -215,9 +215,14 @@ static char ** 
libxl__build_device_model_args_old(libxl__gc *gc,
                 flexarray_vappend(dm_args,
                                 "-net", libxl__sprintf(gc, 
"nic,vlan=%d,macaddr=%s,model=%s",
                                                        vifs[i].devid, smac, 
vifs[i].model),
-                                "-net", libxl__sprintf(gc, 
"tap,vlan=%d,ifname=%s,bridge=%s,script=%s",
-                                                       vifs[i].devid, ifname, 
vifs[i].bridge, libxl_tapif_script(gc)),
-                                NULL);
+                                  "-net",
+                                  GCSPRINTF(
+                                      "tap,vlan=%d,ifname=%s,bridge=%s,"
+                                      "script=%s,downscript=%s",
+                                      vifs[i].devid, ifname, vifs[i].bridge,
+                                      libxl_tapif_script(gc),
+                                      libxl_tapif_script(gc)),
+                                  NULL);
                 ioemu_vifs++;
             }
         }
@@ -455,10 +460,12 @@ static char ** 
libxl__build_device_model_args_new(libxl__gc *gc,
                                                 vifs[i].model, vifs[i].devid,
                                                 vifs[i].devid, smac));
                 flexarray_append(dm_args, "-netdev");
-                flexarray_append(dm_args,
-                   libxl__sprintf(gc, "type=tap,id=net%d,ifname=%s,script=%s",
-                                                vifs[i].devid, ifname,
-                                                libxl_tapif_script(gc)));
+                flexarray_append(dm_args, GCSPRINTF(
+                                          "type=tap,id=net%d,ifname=%s,"
+                                          "script=%s,downscript=%s",
+                                          vifs[i].devid, ifname,
+                                          libxl_tapif_script(gc),
+                                          libxl_tapif_script(gc)));
                 ioemu_vifs++;
             }
         }
-- 
1.7.7.5 (Apple Git-26)


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