commit a39d97c7becca5fd679d70d17ae5b1d62b9b5da6
author Chen Gang <gang.chen.5i5j@gmail.com> Wed Dec 17 04:58:42 2014 +0800
committer Stefan Hajnoczi <stefanha@redhat.com> Mon Jan 12 10:16:23 2015 +0000
tree 78168867f05c4403eb5b94f149f93d97e419fd8e
parent d46858377b822b820946c6b2e3a9153ee0aebd37

hw/net/xen_nic.c: Set 'netdev->mac' to NULL after free it

Since net_init() checks whether 'netdev->mac' is NULL, before alloc it;
net_release() also need set 'netdev->mac' to NULL after free it.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

hw/net/xen_nic.c

diff --git a/hw/net/xen_nic.c b/hw/net/xen_nic.c
index 8eaa77b..19ecfc4 100644
--- a/hw/net/xen_nic.c
+++ b/hw/net/xen_nic.c
@@ -428,6 +428,7 @@
         netdev->nic = NULL;
     }
     g_free(netdev->mac);
+    netdev->mac = NULL;
     return 0;
 }