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authorSudip Mukherjee <[email protected]>2015-11-23 17:45:13 +0530
committerMark Brown <[email protected]>2015-11-23 14:38:08 +0000
commit8d33ab24242c5ce2f8e4add8c04d5409e36a330c (patch)
tree42e3552a20fe84f101fb86ca8f2c96e0094bf52b
parent96b96a743c65969ebf13c343837db2faff1a8a84 (diff)
ASoC: hdac_hdmi: fix possible NULL dereference
kzalloc() can return NULL if it fails, and then we will be dereferencing a NULL pointer. Signed-off-by: Sudip Mukherjee <[email protected]> Signed-off-by: Mark Brown <[email protected]>
-rw-r--r--sound/soc/codecs/hdac_hdmi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
index d1552620257f..205f2c27263d 100644
--- a/sound/soc/codecs/hdac_hdmi.c
+++ b/sound/soc/codecs/hdac_hdmi.c
@@ -200,6 +200,8 @@ static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream,
}
dd = kzalloc(sizeof(*dd), GFP_KERNEL);
+ if (!dd)
+ return -ENOMEM;
dd->format = snd_hdac_calc_stream_format(params_rate(hparams),
params_channels(hparams), params_format(hparams),
24, 0);