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Groups > linux.kernel > #1275271
| From | Sudip Mukherjee <sudipm.mukherjee@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] ASoC: hdac_hdmi: fix possible NULL dereference |
| Date | 2015-11-23 13:20 +0100 |
| Message-ID | <qxYg9-1C0-1@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
kzalloc() can return NULL if it fails, and then we will be dereferencing a NULL pointer. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH] ASoC: hdac_hdmi: fix possible NULL dereference Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-11-23 13:20 +0100
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