diff options
Diffstat (limited to 'sound/core/info_oss.c')
| -rw-r--r-- | sound/core/info_oss.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sound/core/info_oss.c b/sound/core/info_oss.c index 820f4772e44a..f9ce854b3d11 100644 --- a/sound/core/info_oss.c +++ b/sound/core/info_oss.c @@ -28,6 +28,7 @@ #include <sound/info.h> #include <sound/version.h> #include <linux/utsname.h> +#include <linux/mutex.h> #if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS) @@ -35,7 +36,7 @@ * OSS compatible part */ -static DECLARE_MUTEX(strings); +static DEFINE_MUTEX(strings); static char *snd_sndstat_strings[SNDRV_CARDS][SNDRV_OSS_INFO_DEV_COUNT]; static struct snd_info_entry *snd_sndstat_proc_entry; @@ -45,7 +46,7 @@ int snd_oss_info_register(int dev, int num, char *string) snd_assert(dev >= 0 && dev < SNDRV_OSS_INFO_DEV_COUNT, return -ENXIO); snd_assert(num >= 0 && num < SNDRV_CARDS, return -ENXIO); - down(&strings); + mutex_lock(&strings); if (string == NULL) { if ((x = snd_sndstat_strings[num][dev]) != NULL) { kfree(x); @@ -54,12 +55,12 @@ int snd_oss_info_register(int dev, int num, char *string) } else { x = kstrdup(string, GFP_KERNEL); if (x == NULL) { - up(&strings); + mutex_unlock(&strings); return -ENOMEM; } } snd_sndstat_strings[num][dev] = x; - up(&strings); + mutex_unlock(&strings); return 0; } @@ -71,7 +72,7 @@ static int snd_sndstat_show_strings(struct snd_info_buffer *buf, char *id, int d char *str; snd_iprintf(buf, "\n%s:", id); - down(&strings); + mutex_lock(&strings); for (idx = 0; idx < SNDRV_CARDS; idx++) { str = snd_sndstat_strings[idx][dev]; if (str) { @@ -82,7 +83,7 @@ static int snd_sndstat_show_strings(struct snd_info_buffer *buf, char *id, int d snd_iprintf(buf, "%i: %s\n", idx, str); } } - up(&strings); + mutex_unlock(&strings); if (ok < 0) snd_iprintf(buf, " NOT ENABLED IN CONFIG\n"); return ok; |