Hi!

> From: Rohit kumar <rohi...@codeaurora.org>
> 
> [ Upstream commit 5fd188215d4eb52703600d8986b22311099a5940 ]
> 
> lpass_pcm_data is never freed. Free it in close
> ops to avoid memory leak.

AFAICT this introduces memory leaks in the error paths.

Best regards,
                                                        Pavel

Signed-off-by: Pavel Machek <pa...@ucw.cz>

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index 2f2967247789..9e13a00d8c80 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -81,17 +81,20 @@ 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;
 
        ret = regmap_write(drvdata->lpaif_map,
                        LPAIF_DMACTL_REG(v, dma_ch, dir), 0);
        if (ret) {
+               kfree(data);
                dev_err(soc_runtime->dev,
                        "error writing to rdmactl reg: %d\n", ret);
-                       return ret;
+               return ret;
        }
 
        data->dma_ch = dma_ch;
@@ -103,6 +106,7 @@ 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;

-- 
http://www.livejournal.com/~pavelmachek

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