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ASoC: rt5514-spi: Fix potential NULL pointer dereference
authorGustavo A. R. Silva <gustavo@embeddedor.com>
Tue, 15 Jan 2019 17:57:23 +0000 (11:57 -0600)
committerMark Brown <broonie@kernel.org>
Tue, 15 Jan 2019 19:03:49 +0000 (19:03 +0000)
commit0cd470a4a96b1ad89028ad6d7d3a41723fa63366
tree7c0b90d23cafd6c32e3caf6c2dc0e708caa3f2f5tree | snapshot
parentfbe422d814bb91fdab68a3c263d9ea6d9f0e121fcommit | diff
ASoC: rt5514-spi: Fix potential NULL pointer dereference

There is a potential NULL pointer dereference in case devm_kzalloc()
fails and returns NULL.

Fix this by adding a NULL check on rt5514_dsp.

This issue was detected with the help of Coccinelle.

Fixes: fe1f400335bb ("ASoC: rt5514: add rt5514 SPI driver")
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/rt5514-spi.c diff | blob | history
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