diff options
| author | Takashi Iwai <tiwai@suse.de> | 2025-08-29 16:52:52 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2025-09-01 13:53:02 +0200 |
| commit | d994b2ba8f74e3c62110f781799144d228ef2a31 (patch) | |
| tree | 7e09783a6366114cede1217cb98063ea2e641c7e | |
| parent | 949ffce4af7f33176f271343bff0b72a8b0a64d5 (diff) | |
ALSA: sb: 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/20250829145300.5460-13-tiwai@suse.de
| -rw-r--r-- | sound/isa/sb/sb16_csp.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c index 7034072c80d4..7c5072e4a96f 100644 --- a/sound/isa/sb/sb16_csp.c +++ b/sound/isa/sb/sb16_csp.c @@ -265,14 +265,10 @@ static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file) */ static int snd_sb_csp_use(struct snd_sb_csp * p) { - mutex_lock(&p->access_mutex); - if (p->used) { - mutex_unlock(&p->access_mutex); + guard(mutex)(&p->access_mutex); + if (p->used) return -EAGAIN; - } p->used++; - mutex_unlock(&p->access_mutex); - return 0; } @@ -282,10 +278,8 @@ static int snd_sb_csp_use(struct snd_sb_csp * p) */ static int snd_sb_csp_unuse(struct snd_sb_csp * p) { - mutex_lock(&p->access_mutex); + guard(mutex)(&p->access_mutex); p->used--; - mutex_unlock(&p->access_mutex); - return 0; } |