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[Qemu-trivial] [PATCH] hw/net/xen_nic.c: Set 'netdev->mac' to NULL after

From: Chen Gang
Subject: [Qemu-trivial] [PATCH] hw/net/xen_nic.c: Set 'netdev->mac' to NULL after free it
Date: Wed, 17 Dec 2014 04:58:42 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7

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 <address@hidden>
 hw/net/xen_nic.c | 1 +
 1 file changed, 1 insertion(+)

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 @@ static int net_free(struct XenDevice *xendev)
         netdev->nic = NULL;
+    netdev->mac = NULL;
     return 0;

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