diff mbox

ASoC: soc-pcm: fix dpcm_path_get error handling

Message ID 1410335852-29957-1-git-send-email-zhouqiao@marvell.com (mailing list archive)
State New, archived
Headers show

Commit Message

Qiao Zhou Sept. 10, 2014, 7:57 a.m. UTC
dpcm_path_get may return -ENOMEM when allocating memory for list
fails. We should not keep processing path or start up dpcm dai in
this case.

Signed-off-by: Qiao Zhou <zhouqiao@marvell.com>
---
 sound/soc/soc-compress.c |    7 +++++--
 sound/soc/soc-pcm.c      |    7 +++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

Comments

Vinod Koul Sept. 10, 2014, 8:02 a.m. UTC | #1
On Wed, Sep 10, 2014 at 03:57:32PM +0800, Qiao Zhou wrote:
> dpcm_path_get may return -ENOMEM when allocating memory for list
> fails. We should not keep processing path or start up dpcm dai in
> this case.
> 
> Signed-off-by: Qiao Zhou <zhouqiao@marvell.com>
> ---
>  sound/soc/soc-compress.c |    7 +++++--
For this:
Acked-by: Vinod Koul <vinod.koul@intel.com>
Mark Brown Sept. 10, 2014, 9:41 a.m. UTC | #2
On Wed, Sep 10, 2014 at 03:57:32PM +0800, Qiao Zhou wrote:
> dpcm_path_get may return -ENOMEM when allocating memory for list
> fails. We should not keep processing path or start up dpcm dai in
> this case.
> 
> Signed-off-by: Qiao Zhou <zhouqiao@marvell.com>
> ---
>  sound/soc/soc-compress.c |    7 +++++--
>  sound/soc/soc-pcm.c      |    7 +++++--
>  2 files changed, 10 insertions(+), 4 deletions(-)
> 
> diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
> index 27c06ac..b969a13 100644
> --- a/sound/soc/soc-compress.c
> +++ b/sound/soc/soc-compress.c
> @@ -101,10 +101,13 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream)
>  
> +	ret = dpcm_path_get(fe, stream, &list);
> +	if (ret < 0) {
> +		mutex_unlock(&fe->card->mutex);
> +		goto fe_err;
> +	} else if (ret == 0)
>  		dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
>  			fe->dai_link->name, stream ? "capture" : "playback");
> -	}

If one side of an if statement has braces both sides should have braces.

Otherwise this looks good.
diff mbox

Patch

diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index 27c06ac..b969a13 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -101,10 +101,13 @@  static int soc_compr_open_fe(struct snd_compr_stream *cstream)
 
 	fe->dpcm[stream].runtime = fe_substream->runtime;
 
-	if (dpcm_path_get(fe, stream, &list) <= 0) {
+	ret = dpcm_path_get(fe, stream, &list);
+	if (ret < 0) {
+		mutex_unlock(&fe->card->mutex);
+		goto fe_err;
+	} else if (ret == 0)
 		dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
 			fe->dai_link->name, stream ? "capture" : "playback");
-	}
 
 	/* calculate valid and active FE <-> BE dpcms */
 	dpcm_process_paths(fe, stream, &list, 1);
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 731fdb5..d341777 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2352,10 +2352,13 @@  static int dpcm_fe_dai_open(struct snd_pcm_substream *fe_substream)
 	mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
 	fe->dpcm[stream].runtime = fe_substream->runtime;
 
-	if (dpcm_path_get(fe, stream, &list) <= 0) {
+	ret = dpcm_path_get(fe, stream, &list);
+	if (ret < 0) {
+		mutex_unlock(&fe->card->mutex);
+		return ret;
+	} else if (ret == 0)
 		dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
 			fe->dai_link->name, stream ? "capture" : "playback");
-	}
 
 	/* calculate valid and active FE <-> BE dpcms */
 	dpcm_process_paths(fe, stream, &list, 1);