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| author | Huang Chao <chao7.huang@samsung.com> | 2014-11-12 11:44:32 +0800 |
|---|---|---|
| committer | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2014-11-27 05:39:48 -0800 |
| commit | f146ac43b1dcaf9a1ec3bb36aa4a9a572a3af3ed (patch) | |
| tree | 9b73750311a5516f3f08c3658b4c23df1856445c /sound | |
| parent | 6cacffa8e7643777d854b272d6789edfe9048138 (diff) | |
| download | linux-3.10-f146ac43b1dcaf9a1ec3bb36aa4a9a572a3af3ed.tar.gz linux-3.10-f146ac43b1dcaf9a1ec3bb36aa4a9a572a3af3ed.tar.bz2 linux-3.10-f146ac43b1dcaf9a1ec3bb36aa4a9a572a3af3ed.zip | |
ASoC: samsung: dma: Fix the memory resource leakage issue
After we use kzalloc to allocate memory and make chan point
to this block resource, then dma_request_slave_channel will
overwrite the pointer chan, which can result to memory leak
where chan points to.
Change-Id: Ie659df4e1855abc3f57ac3c54e97a6a448dac26e
Signed-off-by: Huang Chao <chao7.huang@samsung.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/samsung/dma.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c index fa31d1784f4..b418b6fa68d 100644 --- a/sound/soc/samsung/dma.c +++ b/sound/soc/samsung/dma.c @@ -114,10 +114,6 @@ static int dma_open(struct snd_pcm_substream *substream) snd_soc_set_runtime_hwparams(substream, &dma_hardware); - chan = kzalloc(sizeof(struct dma_chan), GFP_KERNEL); - if (!chan) - return -ENOMEM; - /* Request slave dma channel according to playback/capture stream */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) chan = dma_request_slave_channel(rtd->cpu_dai->dev, |