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[libvirt] [For 1.3.3 1/2] libxl: fix attaching net device of type hostdev

Chunyan sent a correct patch to fix a resource leak on error in


I made what was thought to be an improvement and pushed the patch as
commit e6336442. As it turns out, my change broke adding net devices
that are actually hostdevs to the list of nets in virDomainDef. This
patch changes e6336442 to resemble Chunyan's original, correct

Signed-off-by: Jim Fehlig <jfehlig suse com>
 src/libxl/libxl_driver.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index 5103495..9955cc7 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -3174,12 +3174,13 @@ libxlDomainAttachNetDevice(libxlDriverPrivatePtr driver,
         goto cleanup;
-    vm->def->nets[vm->def->nnets++] = net;
     ret = 0;
-    if (ret) {
+    if (!ret) {
+        vm->def->nets[vm->def->nnets++] = net;
+    } else {
         virDomainNetRemoveHostdev(vm->def, net);
         networkReleaseActualDevice(vm->def, net);

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