[libvirt] [PATCH] qemu: forget free priv->origname when get fail in qemuMigrationPrepareAny

[Luyao Huang]

https://bugzilla.redhat.com/show_bug.cgi?id=1181182

When we meet error in qemuMigrationPrepareAny and goto
cleanup with rc < 0, we forget clear the priv->origname and this
will make this vm migrate fail next time because leave a wrong
origname in  priv, and will Generate a wrong cookie when do
migrate next time.

This patch will make priv->origname is NULL when migrate fail
in target host.

Signed-off-by: Luyao Huang <lhuang at redhat.com>
---
 src/qemu/qemu_migration.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 77e0b35..a282c43 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -3104,6 +3104,7 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
     if (ret < 0 && priv) {
         /* priv is set right after vm is added to the list of domains
          * and there is no 'goto cleanup;' in the middle of those */
+        VIR_FREE(priv->origname);
         virPortAllocatorRelease(driver->migrationPorts, priv->nbdPort);
         priv->nbdPort = 0;
         qemuDomainRemoveInactive(driver, vm);
-- 
1.8.3.1