Commit 060d0bf4 authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Mark Brown

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: 6eebf35b ("ASoC: rt5514: add rt5514 SPI driver")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarGustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent e581e151
...@@ -280,6 +280,8 @@ static int rt5514_spi_pcm_probe(struct snd_soc_component *component) ...@@ -280,6 +280,8 @@ static int rt5514_spi_pcm_probe(struct snd_soc_component *component)
rt5514_dsp = devm_kzalloc(component->dev, sizeof(*rt5514_dsp), rt5514_dsp = devm_kzalloc(component->dev, sizeof(*rt5514_dsp),
GFP_KERNEL); GFP_KERNEL);
if (!rt5514_dsp)
return -ENOMEM;
rt5514_dsp->dev = &rt5514_spi->dev; rt5514_dsp->dev = &rt5514_spi->dev;
mutex_init(&rt5514_dsp->dma_lock); mutex_init(&rt5514_dsp->dma_lock);
......
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