[PATCH] soundwire: qcom: add proper error paths in qcom_swrm_startup()

[PATCH] soundwire: qcom: add proper error paths in qcom_swrm_startup()

[Krzysztof Kozlowski]

Reverse actions in qcom_swrm_startup() error paths to avoid leaking
stream memory and keeping runtime PM unbalanced.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/soundwire/qcom.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index f442280af9d3..baaa75320ae3 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -1208,8 +1208,10 @@ static int qcom_swrm_startup(struct snd_pcm_substream *substream,
 	}
 
 	sruntime = sdw_alloc_stream(dai->name);
-	if (!sruntime)
-		return -ENOMEM;
+	if (!sruntime) {
+		ret = -ENOMEM;
+		goto err_alloc;
+	}
 
 	ctrl->sruntime[dai->id] = sruntime;
 
@@ -1219,12 +1221,19 @@ static int qcom_swrm_startup(struct snd_pcm_substream *substream,
 		if (ret < 0 && ret != -ENOTSUPP) {
 			dev_err(dai->dev, "Failed to set sdw stream on %s\n",
 				codec_dai->name);
-			sdw_release_stream(sruntime);
-			return ret;
+			goto err_set_stream;
 		}
 	}
 
 	return 0;
+
+err_set_stream:
+	sdw_release_stream(sruntime);
+err_alloc:
+	pm_runtime_mark_last_busy(ctrl->dev);
+	pm_runtime_put_autosuspend(ctrl->dev);
+
+	return ret;
 }
 
 static void qcom_swrm_shutdown(struct snd_pcm_substream *substream,
-- 
2.34.1

Re: [PATCH] soundwire: qcom: add proper error paths in qcom_swrm_startup()

[Pierre-Louis Bossart]

On 5/17/23 11:37, Krzysztof Kozlowski wrote:
> Reverse actions in qcom_swrm_startup() error paths to avoid leaking
> stream memory and keeping runtime PM unbalanced.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

Re: [PATCH] soundwire: qcom: add proper error paths in qcom_swrm_startup()

[Vinod Koul]

On 17-05-23, 18:37, Krzysztof Kozlowski wrote:
> Reverse actions in qcom_swrm_startup() error paths to avoid leaking
> stream memory and keeping runtime PM unbalanced.

Applied, thanks

-- 
~Vinod