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(parent: 40c67c2) | patch
mmc: sh_mmcif: Check for null res pointer
authorJiasheng Jiang <jiasheng@iscas.ac.cn>
Wed, 19 Jan 2022 12:00:06 +0000 (20:00 +0800)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 24 Jan 2022 14:37:13 +0000 (15:37 +0100)
commit4d315357b3d6c315a7260420c6c6fc076e58d14b
treedadb05ce322add2639743003eababc517314dc6ctree | snapshot
parent40c67c291a93f8846c4a972c9ef1b7ba4544c8d0commit | diff
mmc: sh_mmcif: Check for null res pointer

If there is no suitable resource, platform_get_resource() will return
NULL.
Therefore in order to avoid the dereference of the NULL pointer, it
should be better to check the 'res'.

Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Cc: stable@vger.kernel.org # v5.16+
Link: https://lore.kernel.org/r/20220119120006.1426964-1-jiasheng@iscas.ac.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sh_mmcif.c diff | blob | history
Domain: System / Kernel;