From: Srinivasa Rao Mandadapu srivasam@codeaurora.org
[ Upstream commit bd6327fda2f3ded85b69b3c3125c99aaa51c7881 ]
lpass_pcm_data is not freed in error paths. Free it in error paths to avoid memory leak.
Fixes: 022d00ee0b55 ("ASoC: lpass-platform: Fix broken pcm data usage") Signed-off-by: Pavel Machek pavel@ucw.cz Signed-off-by: V Sujith Kumar Reddy vsujithk@codeaurora.org Signed-off-by: Srinivasa Rao Mandadapu srivasam@codeaurora.org Link: https://lore.kernel.org/r/1605416210-14530-1-git-send-email-srivasam@codeaur... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/qcom/lpass-platform.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index b8f8cb906d805..35c49fc9602b6 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -80,8 +80,10 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream) else dma_ch = 0;
- if (dma_ch < 0) + if (dma_ch < 0) { + kfree(data); return dma_ch; + }
drvdata->substream[dma_ch] = substream;
@@ -102,6 +104,7 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream) ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); if (ret < 0) { + kfree(data); dev_err(soc_runtime->dev, "setting constraints failed: %d\n", ret); return -EINVAL;