linux-kernel - [PATCH 4.9 029/139] ASoC: qcom: lpass-platform: fix memory leak

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Message-Id: <20201027134903.512482209@linuxfoundation.org>
Date:   Tue, 27 Oct 2020 14:48:43 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Rohit kumar <rohitkr@...eaurora.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 029/139] ASoC: qcom: lpass-platform: fix memory leak

From: Rohit kumar <rohitkr@...eaurora.org>

[ 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@...eaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Link: https://lore.kernel.org/r/1597402388-14112-5-git-send-email-rohitkr@codeaurora.org
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/qcom/lpass-platform.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index 420d200f9a053..eeed53cf325ac 100644
--- 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;
 }
 
-- 
2.25.1