[NETFILTER 05/13]: nfnetlink_log: fix use after free

[Patrick McHardy]

[NETFILTER]: nfnetlink_log: fix use after free

Paranoia: instance_put() might have freed the inst pointer when we
spin_unlock_bh().

Signed-off-by: Michal Miroslaw <mirq-linux at rere.qmqm.pl>
Signed-off-by: Patrick McHardy <kaber at trash.net>

---
commit 35acdc83b42fa79c56d7c4367b59115554324d12
tree b32a649446ddc1dac278ccfbc86ae721d330b60b
parent 1a069cf250b123f7e407a0b59ff4803762d02a98
author Michal Miroslaw <mirq-linux at rere.qmqm.pl> Tue, 06 Mar 2007 08:24:20 +0100
committer Patrick McHardy <kaber at trash.net> Tue, 06 Mar 2007 08:24:20 +0100

 net/netfilter/nfnetlink_log.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 8f85dc4..987f37b 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -393,8 +393,8 @@ static void nfulnl_timer(unsigned long d
 
 	spin_lock_bh(&inst->lock);
 	__nfulnl_send(inst);
-	instance_put(inst);
 	spin_unlock_bh(&inst->lock);
+	instance_put(inst);
 }
 
 /* This is an inline function, we don't really care about a long