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| author | Michal Miroslaw <mirq-linux@rere.qmqm.pl> | 2007-03-04 15:59:20 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-03-05 13:25:24 -0800 |
| commit | dd16704eba171b32ef0cded3a4f562b33b911066 (patch) | |
| tree | b596880077eb678110373c62b2c6c398ff2d0533 /net | |
| parent | a497097d35d37b47e885cf15bcaea01f279fe5e6 (diff) | |
| download | linux-dd16704eba171b32ef0cded3a4f562b33b911066.tar.bz2 | |
[NETFILTER]: nfnetlink_log: fix possible NULL pointer dereference
Eliminate possible NULL pointer dereference in nfulnl_recv_config().
Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -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 1b940512d87b..b669db564695 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -858,6 +858,9 @@ 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 " @@ -911,6 +914,7 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, out_put: instance_put(inst); +out: return ret; } |