ASoC: qcom: lpass-platform: Fix memory leak

[ 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@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index 2f2967247789223059a1a1b66b2f3d5babacfeff..1d06e2b7bb6358b856872dcc8a2c048ae93458f0 100644 (file)
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -81,8 +81,10 @@ 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;
 
@@ -103,6 +105,7 @@ 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;