diff options
| author | Takashi Iwai <tiwai@suse.de> | 2005-11-18 18:52:14 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 12:29:08 +0100 |
| commit | b32425ac93370e1ba5556110e662f896b2e143b3 (patch) | |
| tree | c5837ee90c16d2aa358e399f2ad79ca4eb770e94 /sound/pci/korg1212 | |
| parent | 2eb061f41cf74f829bfe90a9c79c765172be9f0b (diff) | |
| download | blackbird-op-linux-b32425ac93370e1ba5556110e662f896b2e143b3.tar.gz blackbird-op-linux-b32425ac93370e1ba5556110e662f896b2e143b3.zip | |
[ALSA] Fix possible races in timer callbacks
Fix possible races in timer callbacks.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/korg1212')
| -rw-r--r-- | sound/pci/korg1212/korg1212.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c index a8a6a5c41a7f..4eddb512c12f 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) |
