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>
diff --git a/sound/soc/imx/imx-pcm-fiq.c b/sound/soc/imx/imx-pcm-fiq.c
index 6b518e0..b2bf272 100644
--- a/sound/soc/imx/imx-pcm-fiq.c
+++ b/sound/soc/imx/imx-pcm-fiq.c
@@ -192,6 +192,8 @@
int ret;
iprtd = kzalloc(sizeof(*iprtd), GFP_KERNEL);
+ if (iprtd == NULL)
+ return -ENOMEM;
runtime->private_data = iprtd;
iprtd->substream = substream;
@@ -202,8 +204,10 @@
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;