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authorGustavo A. R. Silva <gustavo@embeddedor.com>2019-01-14 17:40:10 -0600
committerMark Brown <broonie@kernel.org>2019-01-15 19:06:23 +0000
commit4cb79ef9c6c4413427cd70afbb1f3bc01e9b7abf (patch)
tree22a94f05834a65bd8fca01cf2d087c0204339366 /include
parentc407cd008fd039320d147088b52d0fa34ed3ddcb (diff)
downloadlinux-4cb79ef9c6c4413427cd70afbb1f3bc01e9b7abf.tar.bz2
ASoC: amd: Fix potential NULL pointer dereference
Check return value from call to devm_kzalloc() in order to prevent a potential NULL pointer dereference. Also, notice that it makes no sense to allocate any resources if res = platform_get_resource(pdev, IORESOURCE_MEM, 0); fails, so move the call to devm_kzalloc() below the mentioned code. Lastly, improve the use of sizeof in the call to devm_kzalloc() by changing it from sizeof(struct i2s_dev_data) to sizeof(*adata) This issue was detected with the help of Coccinelle. Fixes: ac289c7ec0bc ("ASoC: amd: add ACP3x PCM platform driver") Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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