Commit c09c7237 authored Jan 17, 2008 by Stefano Brivio Committed by David S. Miller Jan 28, 2008

rc80211-pid: fix last_sample initialization



Fix last_sample initialization. kzalloc'ing the per-STA data wasn't enough,
as jiffies can assume negative values as well. This fixes a bug which
prevented correct PID operation for a while after booting.

Thanks to Michael Buesch for reporting this.

Reported-and-tested-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent f99b751f

net/mac80211/rc80211_pid_algo.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -496,6 +496,8 @@ static void rate_control_pid_alloc_sta(void priv, gfp_t gfp)
		if (spinfo == NULL)
		return NULL;

		spinfo->last_sample = jiffies;

		#ifdef CONFIG_MAC80211_DEBUGFS
		spin_lock_init(&spinfo->events.lock);
		init_waitqueue_head(&spinfo->events.waitqueue);