From b32425ac93370e1ba5556110e662f896b2e143b3 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 18 Nov 2005 18:52:14 +0100 Subject: [ALSA] Fix possible races in timer callbacks Fix possible races in timer callbacks. Signed-off-by: Takashi Iwai --- sound/pci/korg1212/korg1212.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'sound/pci/korg1212') diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c index a8a6a5c41a7..4eddb512c12 100644 --- a/sound/pci/korg1212/korg1212.c +++ b/sound/pci/korg1212/korg1212.c @@ -609,8 +609,9 @@ static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212) static void snd_korg1212_timer_func(unsigned long data) { struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data; + unsigned long flags; - spin_lock(&korg1212->lock); + spin_lock_irqsave(&korg1212->lock, flags); if (korg1212->sharedBufferPtr->cardCommand == 0) { /* ack'ed */ korg1212->stop_pending_cnt = 0; @@ -632,7 +633,7 @@ static void snd_korg1212_timer_func(unsigned long data) stateName[korg1212->cardState]); } } - spin_unlock(&korg1212->lock); + spin_unlock_irqrestore(&korg1212->lock, flags); } static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212) -- cgit v1.2.3-70-g09d2