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-rw-r--r--drivers/net/tun.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 3b41c36eae90..2a2d058cdd40 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -454,25 +454,28 @@ static void tun_flow_cleanup(unsigned long data)
tun_debug(KERN_INFO, tun, "tun_flow_cleanup\n");
- spin_lock_bh(&tun->lock);
+ spin_lock(&tun->lock);
for (i = 0; i < TUN_NUM_FLOW_ENTRIES; i++) {
struct tun_flow_entry *e;
struct hlist_node *n;
hlist_for_each_entry_safe(e, n, &tun->flows[i], hash_link) {
unsigned long this_timer;
- count++;
+
this_timer = e->updated + delay;
- if (time_before_eq(this_timer, jiffies))
+ if (time_before_eq(this_timer, jiffies)) {
tun_flow_delete(tun, e);
- else if (time_before(this_timer, next_timer))
+ continue;
+ }
+ count++;
+ if (time_before(this_timer, next_timer))
next_timer = this_timer;
}
}
if (count)
mod_timer(&tun->flow_gc_timer, round_jiffies_up(next_timer));
- spin_unlock_bh(&tun->lock);
+ spin_unlock(&tun->lock);
}
static void tun_flow_update(struct tun_struct *tun, u32 rxhash,
@@ -1194,8 +1197,6 @@ static void tun_flow_init(struct tun_struct *tun)
tun->ageing_time = TUN_FLOW_EXPIRE;
setup_timer(&tun->flow_gc_timer, tun_flow_cleanup, (unsigned long)tun);
- mod_timer(&tun->flow_gc_timer,
- round_jiffies_up(jiffies + tun->ageing_time));
}
static void tun_flow_uninit(struct tun_struct *tun)