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Message-Id: <1448280913-16061-1-git-send-email-sudipm.mukherjee@gmail.com>
Date: Mon, 23 Nov 2015 17:45:13 +0530
From: Sudip Mukherjee <sudipm.mukherjee@...il.com>
To: Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc: linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH] 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 <sudip@...torindia.org>
---
sound/soc/codecs/hdac_hdmi.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
index d155262..205f2c2 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);
--
1.9.1
--
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