A ROSE socket doesn't necessarily always have a neighbour pointer so check
if the neighbour pointer is valid before dereferencing it.
Signed-off-by: Ralf Baechle <r...@linux-mips.org>
Tested-by: Bernard Pidoux <f6...@free.fr>
Cc: sta...@vger.kernel.org #2.6.11+
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 8ae6030..dd304bc 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -192,7 +192,8 @@ static void rose_kill_by_device(struct net_device *dev)
if (rose->device == dev) {
rose_disconnect(s, ENETUNREACH, ROSE_OUT_OF_ORDER, 0);
- rose->neighbour->use--;
+ if (rose->neighbour)
+ rose->neighbour->use--;
rose->device = NULL;
}
}
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