[PATCH] Asoc: qcom: lpass-platform: Fix memory leak

[PATCH] Asoc: qcom: lpass-platform: Fix memory leak

[Srinivasa Rao Mandadapu]

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>
---
 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 36d1512..7a3fdf8 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -122,8 +122,10 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component,
 	else
 		dma_ch = 0;
 
-	if (dma_ch < 0)
+	if (dma_ch < 0) {
+		kfree(data);
 		return dma_ch;
+	}
 
 	if (cpu_dai->driver->id == LPASS_DP_RX) {
 		map = drvdata->hdmiif_map;
@@ -147,6 +149,7 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component,
 	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;
-- 
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.

[PATCH] Asoc: qcom: lpass-platform: Fix memory leak

[Srinivasa Rao Mandadapu]

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>
---
 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 36d1512..7a3fdf8 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -122,8 +122,10 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component,
 	else
 		dma_ch = 0;
 
-	if (dma_ch < 0)
+	if (dma_ch < 0) {
+		kfree(data);
 		return dma_ch;
+	}
 
 	if (cpu_dai->driver->id == LPASS_DP_RX) {
 		map = drvdata->hdmiif_map;
@@ -147,6 +149,7 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component,
 	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;
-- 
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.

Re: [PATCH] Asoc: qcom: lpass-platform: Fix memory leak

[Mark Brown]

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On Sun, Nov 15, 2020 at 10:26:50AM +0530, Srinivasa Rao Mandadapu wrote:
> lpass_pcm_data is not freed in error paths. Free it in
> error paths to avoid memory leak.

Please use subject lines reflecting the general style for the subsystem,
it makes it easier for people to spot patches that need to be reviewed.

[-- Attachment #2: signature.asc --]
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Re: [PATCH] Asoc: qcom: lpass-platform: Fix memory leak

[Mark Brown]

[-- Attachment #1: Type: text/plain, Size: 312 bytes --]

On Sun, Nov 15, 2020 at 10:26:50AM +0530, Srinivasa Rao Mandadapu wrote:
> lpass_pcm_data is not freed in error paths. Free it in
> error paths to avoid memory leak.

Please use subject lines reflecting the general style for the subsystem,
it makes it easier for people to spot patches that need to be reviewed.

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

Re: [PATCH] Asoc: qcom: lpass-platform: Fix memory leak

[Mark Brown]

On Sun, 15 Nov 2020 10:26:50 +0530, Srinivasa Rao Mandadapu wrote:
> 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")

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next

Thanks!

[1/1] ASoC: qcom: lpass-platform: Fix memory leak
      commit: bd6327fda2f3ded85b69b3c3125c99aaa51c7881

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

Re: [PATCH] Asoc: qcom: lpass-platform: Fix memory leak

[patchwork-bot+linux-arm-msm]

Hello:

This patch was applied to qcom/linux.git (refs/heads/for-next):

On Sun, 15 Nov 2020 10:26:50 +0530 you wrote:
> 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>
> 
> [...]

Here is the summary with links:
  - Asoc: qcom: lpass-platform: Fix memory leak
    https://git.kernel.org/qcom/c/bd6327fda2f3

You are awesome, thank you!
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