ARM: imx: Check return value of devm_kasprintf in imx_mmdc_perf_init
[ Upstream commit 1c2b1049 ] devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity. Release the id allocated in 'mmdc_pmu_init' when 'devm_kasprintf' return NULL Suggested-by:Ahmad Fatoum <a.fatoum@pengutronix.de> Fixes: e76bdfd7 ("ARM: imx: Added perf functionality to mmdc driver") Signed-off-by:
Kunwu Chan <chentao@kylinos.cn> Signed-off-by:
Shawn Guo <shawnguo@kernel.org> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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3836f1f2
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