From 6ac12dfe9c2027cd3c5ed603f11d1bb4f04906fe Mon Sep 17 00:00:00 2001 From: Sonny Rao <sonny@burdell.org> Date: Tue, 27 Jun 2006 02:54:06 -0700 Subject: [PATCH] rtc: fix idr locking We need to serialize access to the global rtc_idr even in this error path. Signed-off-by: Sonny Rao <sonny@burdell.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> --- drivers/rtc/class.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/rtc') diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index 5396beec30d0..1cb61a761cb2 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -94,7 +94,9 @@ exit_kfree: kfree(rtc); exit_idr: + mutex_lock(&idr_lock); idr_remove(&rtc_idr, id); + mutex_unlock(&idr_lock); exit: dev_err(dev, "rtc core: unable to register %s, err = %d\n", -- cgit