This is a note to let you know that I've just added the patch titled
soundwire: qcom: add proper error paths in qcom_swrm_startup()
to the 6.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
soundwire-qcom-add-proper-error-paths-in-qcom_swrm_s.patch
and it can be found in the queue-6.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 14018e8e7cbb13a8a218f594291e4be80f586db0
Author: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Date: Wed May 17 18:37:36 2023 +0200
soundwire: qcom: add proper error paths in qcom_swrm_startup()
[ Upstream commit 99e09b9c0ab43346c52f2787ca4e5c4b1798362e ]
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@xxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230517163736.997553-1-krzysztof.kozlowski@xxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 30575ed20947e..0dcdbd4e1ec3a 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -1098,8 +1098,10 @@ 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;
@@ -1109,12 +1111,19 @@ 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,
