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[Qemu-ppc] [PATCH for-1.4] net: Avoid NULL function pointer dereference
From: |
Andreas Färber |
Subject: |
[Qemu-ppc] [PATCH for-1.4] net: Avoid NULL function pointer dereference on cleanup |
Date: |
Tue, 12 Feb 2013 23:16:06 +0100 |
The pSeries machine and some other devices don't supply a cleanup
callback. Revert part of 1ceef9f27359cbe92ef124bf74de6f792e71f6fb that
started calling it unconditionally.
Cc: Jason Wang <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
net/net.c | 4 +++-
1 Datei geändert, 3 Zeilen hinzugefügt(+), 1 Zeile entfernt(-)
diff --git a/net/net.c b/net/net.c
index f9e7136..be03a8d 100644
--- a/net/net.c
+++ b/net/net.c
@@ -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)
--
1.7.10.4
- [Qemu-ppc] [PATCH for-1.4] net: Avoid NULL function pointer dereference on cleanup,
Andreas Färber <=