diff options
author | Gustavo A. R. Silva <gustavo@embeddedor.com> | 2019-01-15 11:57:23 -0600 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-31 08:15:36 +0100 |
commit | 8fead3ecedcd462e870bf9bc32f9d3662061ec92 (patch) | |
tree | 5ba8da7177131232841fcdc24ce6d79597a2834a /sound | |
parent | bfca4e001c0b19527f7a402313174aa4785bf738 (diff) |
ASoC: rt5514-spi: Fix potential NULL pointer dereference
commit 060d0bf491874daece47053c4e1fb0489eb867d2 upstream.
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: 6eebf35b0e4a ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
-rw-r--r-- | sound/soc/codecs/rt5514-spi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5514-spi.c b/sound/soc/codecs/rt5514-spi.c index 4d46f4567c3a..bec2eefa8b0f 100644 --- a/sound/soc/codecs/rt5514-spi.c +++ b/sound/soc/codecs/rt5514-spi.c @@ -280,6 +280,8 @@ static int rt5514_spi_pcm_probe(struct snd_soc_component *component) rt5514_dsp = devm_kzalloc(component->dev, sizeof(*rt5514_dsp), GFP_KERNEL); + if (!rt5514_dsp) + return -ENOMEM; rt5514_dsp->dev = &rt5514_spi->dev; mutex_init(&rt5514_dsp->dma_lock); |