nfnetlink_log: fix reference leak

[NETFILTER]: nfnetlink_log: fix reference leak

Stop reference leaking in nfulnl_log_packet(). If we start a timer we
are already taking another reference.

Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 24c1d29e428394ec3b0f43f01f9be9a54630218d..4249515d1ae572eb226ba8527ce93f434f2a6712 100644 (file)
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -720,15 +720,16 @@ nfulnl_log_packet(unsigned int pf,
                inst->timer.expires = jiffies + (inst->flushtimeout*HZ/100);
                add_timer(&inst->timer);
        }
-       spin_unlock_bh(&inst->lock);
 
+unlock_and_release:
+       spin_unlock_bh(&inst->lock);
+       instance_put(inst);
        return;
 
 alloc_failure:
-       spin_unlock_bh(&inst->lock);
-       instance_put(inst);
        UDEBUG("error allocating skb\n");
        /* FIXME: statistics */
+       goto unlock_and_release;
 }
 
 static int