ASoC: qcom: lpass-platform: fix memory leak

[ Upstream commit 5fd188215d4eb52703600d8986b22311099a5940 ]

lpass_pcm_data is never freed. Free it in close
ops to avoid memory leak.

Fixes: 022d00ee0b55 ("ASoC: lpass-platform: Fix broken pcm data usage")
Signed-off-by: Rohit kumar <rohitkr@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1597402388-14112-5-git-send-email-rohitkr@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 420d200f9a0533bd335224784c2e7933a0c8c3b1..eeed53cf325ac51cc7346f36a8bc1fa14e1703e0 100644 (file)
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -68,7 +68,7 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream)
        int ret, dma_ch, dir = substream->stream;
        struct lpass_pcm_data *data;
 
-       data = devm_kzalloc(soc_runtime->dev, sizeof(*data), GFP_KERNEL);
+       data = kzalloc(sizeof(*data), GFP_KERNEL);
        if (!data)
                return -ENOMEM;
 
@@ -140,6 +140,7 @@ static int lpass_platform_pcmops_close(struct snd_pcm_substream *substream)
        if (v->free_dma_channel)
                v->free_dma_channel(drvdata, dma_ch);
 
+       kfree(data);
        return 0;
 }