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ASoC: max98373-sdw: add missing memory allocation check

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We forgot to test that devm_kcalloc doesn't return NULL.

Fixes: 349dd23931 ('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>
This commit is contained in:
Pierre-Louis Bossart
2021-06-07 17:22:25 -05:00
committed by Mark Brown
parent c8a4556d98
commit 468a272ca4
1 changed files with 2 additions and 0 deletions
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2
sound/soc/codecs/max98373-sdw.c
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@@ -786,6 +786,8 @@ 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];