qemuMigrationCookiePtr mig->nbd may be null when MigrationCookie

do not have nbd information ,but nbd port did allocated before and

must be released here, so ignore mig->nbd null ptr and just warn.

Signed-off-by: Weiwei Li <nuonuoli@tencent.com>

---

 src/qemu/qemu_migration.c |    2 +-

 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c

index 0ad8054..134b041 100644

--- a/src/qemu/qemu_migration.c

+++ b/src/qemu/qemu_migration.c

@@ -1584,7 +1584,7 @@ qemuMigrationStopNBDServer(virQEMUDriverPtr driver,

     qemuDomainObjPrivatePtr priv = vm->privateData;

 

     if (!mig->nbd)

-        return;

+        VIR_WARN("mig->nbd is null");

 

     if (qemuDomainObjEnterMonitorAsync(driver, vm,

                                        QEMU_ASYNC_JOB_MIGRATION_IN) < 0)

-- 

1.7.1