Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.13 683/800] ASoC: max98373-sdw: add missing memory allocation check | Date | Mon, 12 Jul 2021 08:11:46 +0200 |
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From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
[ Upstream commit 468a272ca49cc4e2f58f3c360643c3f6d313c146 ]
We forgot to test that devm_kcalloc doesn't return NULL.
Fixes: 349dd23931d1 ('ASoC: max98373: don't access volatile registers in bias level off') Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com> Reviewed-by: Bard Liao <bard.liao@intel.com> Link: https://lore.kernel.org/r/20210607222239.582139-2-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- sound/soc/codecs/max98373-sdw.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/sound/soc/codecs/max98373-sdw.c b/sound/soc/codecs/max98373-sdw.c index f3a12205cd48..c7a3506046db 100644 --- a/sound/soc/codecs/max98373-sdw.c +++ b/sound/soc/codecs/max98373-sdw.c @@ -787,6 +787,8 @@ static int max98373_init(struct sdw_slave *slave, struct regmap *regmap) max98373->cache = devm_kcalloc(dev, max98373->cache_num, sizeof(*max98373->cache), GFP_KERNEL); + if (!max98373->cache) + return -ENOMEM; for (i = 0; i < max98373->cache_num; i++) max98373->cache[i].reg = max98373_sdw_cache_reg[i]; -- 2.30.2
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