Thread (28 messages) 28 messages, 4 authors, 2020-08-07
STALE2178d
Revisions (4)
  1. v3 [diff vs current]
  2. v4 current
  3. v5 [diff vs current]
  4. v6 [diff vs current]

[PATCH v4 04/12] ASoC: qcom: lpass-platform: fix memory leak

From: Rohit kumar <hidden>
Date: 2020-07-22 10:33:04
Also in: alsa-devel, linux-arm-msm, lkml
Subsystem: qcom audio (asoc) drivers, sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers: Srinivas Kandagatla, Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds

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 <redacted>
---
 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 fb9acfd..b195f3d 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -61,7 +61,7 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component,
 	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;
 
@@ -118,6 +118,7 @@ static int lpass_platform_pcmops_close(struct snd_soc_component *component,
 	if (v->free_dma_channel)
 		v->free_dma_channel(drvdata, data->dma_ch);
 
+	kfree(data);
 	return 0;
 }
 
-- 
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
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