Re: [PATCH 1/2] sound: pcm_oss, fix locking typo

From: Takashi Iwai
Date: Thu Mar 12 2009 - 03:29:14 EST


At Wed, 11 Mar 2009 20:11:40 +0100,
Jiri Slaby wrote:
>
> s/mutex_lock/mutex_unlock/ on 2 fail paths in snd_pcm_oss_proc_write.
> Probably a typo, lock should be unlocked when leaving the function.
>
> Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>

Thanks, applied both patches now.


Takashi

> Cc: Jaroslav Kysela <perex@xxxxxxxx>
> Cc: Takashi Iwai <tiwai@xxxxxxx>
> ---
> sound/core/oss/pcm_oss.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
> index ddf83c8..dda000b 100644
> --- a/sound/core/oss/pcm_oss.c
> +++ b/sound/core/oss/pcm_oss.c
> @@ -2887,7 +2887,7 @@ static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
> setup = kmalloc(sizeof(*setup), GFP_KERNEL);
> if (! setup) {
> buffer->error = -ENOMEM;
> - mutex_lock(&pstr->oss.setup_mutex);
> + mutex_unlock(&pstr->oss.setup_mutex);
> return;
> }
> if (pstr->oss.setup_list == NULL)
> @@ -2901,7 +2901,7 @@ static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
> if (! template.task_name) {
> kfree(setup);
> buffer->error = -ENOMEM;
> - mutex_lock(&pstr->oss.setup_mutex);
> + mutex_unlock(&pstr->oss.setup_mutex);
> return;
> }
> }
> --
> 1.6.2
> caught by stanse
>
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