tun: avoid extra timer schedule in tun_flow_cleanup() (81d98fa4) · Commits · 戴 / test

If tun_flow_cleanup() deleted all flows, no need to arm the timer again. It will be armed next time tun_flow_update() is called. Signed-off-by:

drivers/net/tun.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -461,11 +461,14 @@ static void tun_flow_cleanup(unsigned long data)

		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;
		}
		}