[next] ASoC: amd: fix memory leak of i2s_data on error return
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Message ID 20181114213148.14977-1-colin.king@canonical.com
State New
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  • [next] ASoC: amd: fix memory leak of i2s_data on error return
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Commit Message

Colin King Nov. 14, 2018, 9:31 p.m. UTC
From: Colin Ian King <colin.king@canonical.com>

Currently when snd_pcm_hw_constraint_integer fails there is
a memory leak of i2s_data on the error return path. Fix this by
kfree'ing i2s_data before returning.

Detected by CoverityScan, CID#1475479 ("Resource leak")

Fixes: 0b87d6bcd648 ("ASoC: amd: add acp3x pcm driver dma ops")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 sound/soc/amd/raven/acp3x-pcm-dma.c | 1 +
 1 file changed, 1 insertion(+)

Patch
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diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c
index 2e61cef00f41..b16cdd187139 100644
--- a/sound/soc/amd/raven/acp3x-pcm-dma.c
+++ b/sound/soc/amd/raven/acp3x-pcm-dma.c
@@ -309,6 +309,7 @@  static int acp3x_dma_open(struct snd_pcm_substream *substream)
 					    SNDRV_PCM_HW_PARAM_PERIODS);
 	if (ret < 0) {
 		dev_err(component->dev, "set integer constraint failed\n");
+		kfree(i2s_data);
 		return ret;
 	}