libxl: fix AttachDeviceConfig on hostdev type

After attach-device a <hostdev> with --config, new device doesn't
show up in dumpxml and in guest.

To fix that, set dev->data.hostdev = NULL after work so that the
pointer is not freed, since vmdef has the pointer and still need it.

Signed-off-by: Chunyan Liu <cyliu@suse.com>

diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index e2797d5275027ddc9385cb82300360fe0e2ae266..8087c27797957f0d1cfe336425f4d72129f4bdbd 100644 (file)
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -3312,6 +3312,7 @@ libxlDomainAttachDeviceConfig(virDomainDefPtr vmdef, virDomainDeviceDefPtr dev)
 
             if (virDomainHostdevInsert(vmdef, hostdev) < 0)
                 return -1;
+            dev->data.hostdev = NULL;
             break;
 
         default: