[NETFILTER]: nfnetlink_log: kill duplicate code

Kill some cut'n'paste effect.
Just after __nfulnl_send() returning, inst->skb is always NULL.

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>

1 files changed, 14 insertions, 16 deletions

diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index a90a26bd618b..512741afca9f 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -188,7 +188,7 @@ out_unlock:
         return NULL;
 }
 
-static int __nfulnl_send(struct nfulnl_instance *inst);
+static void __nfulnl_flush(struct nfulnl_instance *inst);
 
 static void
 __instance_destroy(struct nfulnl_instance *inst)
@@ -202,17 +202,8 @@ __instance_destroy(struct nfulnl_instance *inst)
         /* then flush all pending packets from skb */
 
         spin_lock_bh(&inst->lock);
-        if (inst->skb) {
-                /* timer "holds" one reference (we have one more) */
-                if (del_timer(&inst->timer))
-                        instance_put(inst);
-                if (inst->qlen)
-                        __nfulnl_send(inst);
-                if (inst->skb) {
-                        kfree_skb(inst->skb);
-                        inst->skb = NULL;
-                }
-        }
+        if (inst->skb)
+                __nfulnl_flush(inst);
         spin_unlock_bh(&inst->lock);
 
         /* and finally put the refcount */
@@ -364,6 +355,16 @@ nlmsg_failure:
         return status;
 }
 
+static void
+__nfulnl_flush(struct nfulnl_instance *inst)
+{
+        /* timer holds a reference */
+        if (del_timer(&inst->timer))
+                instance_put(inst);
+        if (inst->skb)
+                __nfulnl_send(inst);
+}
+
 static void nfulnl_timer(unsigned long data)
 {
         struct nfulnl_instance *inst = (struct nfulnl_instance *)data;
@@ -650,10 +651,7 @@ nfulnl_log_packet(unsigned int pf,
                  * enough room in the skb left. flush to userspace. */
                 UDEBUG("flushing old skb\n");
 
-                /* timer "holds" one reference (we have another one) */
-                if (del_timer(&inst->timer))
-                        instance_put(inst);
-                __nfulnl_send(inst);
+                __nfulnl_flush(inst);
         }
 
         if (!inst->skb) {