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authorDavid S. Miller <davem@sunset.davemloft.net>2006-10-27 15:26:21 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-10-30 15:24:34 -0800
commit201a95afaa324b23188eeec268f6bb0b4b70b710 (patch)
treeb4821e52a74aefc2a3b766c43b32aaa83a3eca34 /net
parentd458fd82c9bb536e4a582955e88554a02a92bf78 (diff)
[APPLETALK]: Fix potential OOPS in atalk_sendmsg().
atrtr_find() can return NULL, so do not blindly dereference rt->dev before we check for rt being NULL. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/appletalk/ddp.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 708e2e0371a..485e35c3b28 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1584,7 +1584,6 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
if (usat->sat_addr.s_net || usat->sat_addr.s_node == ATADDR_ANYNODE) {
rt = atrtr_find(&usat->sat_addr);
- dev = rt->dev;
} else {
struct atalk_addr at_hint;
@@ -1592,7 +1591,6 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr
at_hint.s_net = at->src_net;
rt = atrtr_find(&at_hint);
- dev = rt->dev;
}
if (!rt)
return -ENETUNREACH;