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| author | Kulikov Vasiliy <segooon@gmail.com> | 2010-07-16 20:16:34 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-07-17 19:45:56 +0100 |
| commit | 51b6dfb627d785ee92c2bd1e159e2de47cdc29c3 (patch) | |
| tree | ecf1b55a31e5fa96a404fa2b8383a2f71dd604fb /sound/soc/imx/imx-pcm-dma-mx2.c | |
| parent | 55938b106ff4028f9e8b23b1bcb16d7cd615bee7 (diff) | |
| download | blackbird-op-linux-51b6dfb627d785ee92c2bd1e159e2de47cdc29c3.tar.gz blackbird-op-linux-51b6dfb627d785ee92c2bd1e159e2de47cdc29c3.zip | |
ASoC: imx: check kzalloc() result and fix memory leak
If kzalloc() fails we must exit with -ENOMEM. Also we must free
allocated runtime->private_data on error as it would be lost on next
call to snd_imx_open().
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/imx/imx-pcm-dma-mx2.c')
| -rw-r--r-- | sound/soc/imx/imx-pcm-dma-mx2.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c index 05f19c9284f4..0a595da4811d 100644 --- a/sound/soc/imx/imx-pcm-dma-mx2.c +++ b/sound/soc/imx/imx-pcm-dma-mx2.c @@ -292,12 +292,16 @@ static int snd_imx_open(struct snd_pcm_substream *substream) int ret; iprtd = kzalloc(sizeof(*iprtd), GFP_KERNEL); + if (iprtd == NULL) + return -ENOMEM; runtime->private_data = iprtd; ret = snd_pcm_hw_constraint_integer(substream->runtime, SNDRV_PCM_HW_PARAM_PERIODS); - if (ret < 0) + if (ret < 0) { + kfree(iprtd); return ret; + } snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware); return 0; |
