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net: Avoid NULL function pointer dereference on cleanup 

The pSeries machine and some other devices don't supply a cleanup
callback. Revert part of 1ceef9f273 that
started calling it unconditionally.

Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1360707366-9271-1-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Andreas Färber 2013-02-12 23:16:06 +01:00 committed by Anthony Liguori
parent 91b0a8f334
commit cc2a90432d
1 changed files with 3 additions and 1 deletions
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4
net/net.c
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@ -287,7 +287,9 @@ static void qemu_cleanup_net_client(NetClientState *nc)
{
QTAILQ_REMOVE(&net_clients, nc, next);
nc->info->cleanup(nc);
if (nc->info->cleanup) {
nc->info->cleanup(nc);
}
}
static void qemu_free_net_client(NetClientState *nc)