diff options
| author | Michał Mirosław <mirq-linux@rere.qmqm.pl> | 2007-03-24 21:33:56 +0100 |
|---|---|---|
| committer | Adrian Bunk <bunk@stusta.de> | 2007-03-24 21:33:56 +0100 |
| commit | 4ed30ae44614fce21c5917fda7c513990915f363 (patch) | |
| tree | e545e8bb8e8c49f2e444ab99b59c094e4bc5aab5 | |
| parent | 27e24517f7de0fc20335295ebe1b83e7ce5bee20 (diff) | |
[NETFILTER]: nfnetlink_log: fix possible NULL pointer dereference
Eliminate possible NULL pointer dereference in nfulnl_recv_config().
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
| -rw-r--r-- | net/netfilter/nfnetlink_log.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 6b72621d1fdd..616cb7412b6f 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -827,6 +827,9 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, ret = -EINVAL; break; } + + if (!inst) + goto out; } else { if (!inst) { UDEBUG("no config command, and no instance for " @@ -874,6 +877,7 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, out_put: instance_put(inst); +out: return ret; } |