remote: Don't call NULL closeFreeCallback

Check function pointer before calling.

Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>

diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index 3721af9b174ec40b0581c88fd923fc85951363d2..885120e1533478fe92936dcaf328878bb658aeed 100644 (file)
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -358,7 +358,8 @@ static void remoteClientCloseFunc(virNetClientPtr client ATTRIBUTE_UNUSED,
         closeCallback(conn, reason, closeOpaque);
         virMutexLock(&conn->lock);
         conn->closeDispatch = false;
-        if (conn->closeUnregisterCount != closeUnregisterCount)
+        if (conn->closeUnregisterCount != closeUnregisterCount &&
+            closeFreeCallback)
             closeFreeCallback(closeOpaque);
     }
     virMutexUnlock(&conn->lock);