From e35670614d10588fb9c6ed32ecd55b8242e98872 Mon Sep 17 00:00:00 2001 From: Michal Miroslaw Date: Fri, 28 Sep 2007 14:44:21 -0700 Subject: [PATCH] [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 Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/netfilter/nfnetlink_log.c | 30 ++++++++++++++---------------- 1 file 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 @@ instance_create(u_int16_t group_num, int pid) 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 @@ __nfulnl_send(struct nfulnl_instance *inst) 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) { -- GitLab