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soundwire: qcom: add proper error paths in qcom_swrm_startup()

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[ Upstream commit 99e09b9c0a ]

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>
Link: https://lore.kernel.org/r/20230517163736.997553-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2023-05-17 18:37:36 +02:00 committed by Greg Kroah-Hartman
parent 2839e0b64e
commit 5cc506e9b3
1 changed files with 13 additions and 4 deletions
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17
drivers/soundwire/qcom.c
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@ -1090,8 +1090,10 @@ 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;
@ -1101,12 +1103,19 @@ 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,