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| author | Takashi Iwai <tiwai@suse.de> | 2025-08-29 17:00:14 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2025-09-01 13:53:34 +0200 |
| commit | 6a6da5ca9795d59f2e8b851f2b8d2ce8bc536c6e (patch) | |
| tree | de7fef8fbeed93513cd6c30c935c3a8afc914be2 /sound/drivers | |
| parent | 1ef2cb6b29c2c9c26b490ab5a1e8161923fb7798 (diff) | |
| download | linux-6a6da5ca9795d59f2e8b851f2b8d2ce8bc536c6e.tar.gz linux-6a6da5ca9795d59f2e8b851f2b8d2ce8bc536c6e.tar.bz2 linux-6a6da5ca9795d59f2e8b851f2b8d2ce8bc536c6e.zip | |
ALSA: opl3: Use guard() for mutex locks
Replace the manual mutex lock/unlock pairs with guard() for code
simplification.
Only code refactoring, and no behavior change.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250829150026.6379-4-tiwai@suse.de
Diffstat (limited to 'sound/drivers')
| -rw-r--r-- | sound/drivers/opl3/opl3_seq.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/sound/drivers/opl3/opl3_seq.c b/sound/drivers/opl3/opl3_seq.c index 9fc78b7fb780..8db77a81476c 100644 --- a/sound/drivers/opl3/opl3_seq.c +++ b/sound/drivers/opl3/opl3_seq.c @@ -40,13 +40,11 @@ int snd_opl3_synth_setup(struct snd_opl3 * opl3) int idx; struct snd_hwdep *hwdep = opl3->hwdep; - mutex_lock(&hwdep->open_mutex); - if (hwdep->used) { - mutex_unlock(&hwdep->open_mutex); - return -EBUSY; + scoped_guard(mutex, &hwdep->open_mutex) { + if (hwdep->used) + return -EBUSY; + hwdep->used++; } - hwdep->used++; - mutex_unlock(&hwdep->open_mutex); snd_opl3_reset(opl3); @@ -81,9 +79,9 @@ void snd_opl3_synth_cleanup(struct snd_opl3 * opl3) snd_opl3_reset(opl3); hwdep = opl3->hwdep; - mutex_lock(&hwdep->open_mutex); - hwdep->used--; - mutex_unlock(&hwdep->open_mutex); + scoped_guard(mutex, &hwdep->open_mutex) { + hwdep->used--; + } wake_up(&hwdep->open_wait); } |