diff options
Diffstat (limited to 'sound/core/info_oss.c')
| -rw-r--r-- | sound/core/info_oss.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/sound/core/info_oss.c b/sound/core/info_oss.c index ebc714b2f4..0dbbb80055 100644 --- a/sound/core/info_oss.c +++ b/sound/core/info_oss.c @@ -29,20 +29,17 @@ int snd_oss_info_register(int dev, int num, char *string) return -ENXIO; if (snd_BUG_ON(num < 0 || num >= SNDRV_CARDS)) return -ENXIO; - mutex_lock(&strings); + guard(mutex)(&strings); if (string == NULL) { x = snd_sndstat_strings[num][dev]; kfree(x); x = NULL; } else { x = kstrdup(string, GFP_KERNEL); - if (x == NULL) { - mutex_unlock(&strings); + if (x == NULL) return -ENOMEM; - } } snd_sndstat_strings[num][dev] = x; - mutex_unlock(&strings); return 0; } EXPORT_SYMBOL(snd_oss_info_register); @@ -53,7 +50,7 @@ static int snd_sndstat_show_strings(struct snd_info_buffer *buf, char *id, int d char *str; snd_iprintf(buf, "\n%s:", id); - mutex_lock(&strings); + guard(mutex)(&strings); for (idx = 0; idx < SNDRV_CARDS; idx++) { str = snd_sndstat_strings[idx][dev]; if (str) { @@ -64,7 +61,6 @@ static int snd_sndstat_show_strings(struct snd_info_buffer *buf, char *id, int d snd_iprintf(buf, "%i: %s\n", idx, str); } } - mutex_unlock(&strings); if (ok < 0) snd_iprintf(buf, " NOT ENABLED IN CONFIG\n"); return ok; |