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authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2021-06-08 01:22:25 +0300
committerMark Brown <broonie@kernel.org>2021-06-08 15:36:25 +0300
commit468a272ca49cc4e2f58f3c360643c3f6d313c146 (patch)
tree33d198a87f14b348d6debb02a3417d0c0efc7471 /sound/soc/codecs/max98373-sdw.c
parentc8a4556d98510ca05bad8d02265a4918b03a8c0b (diff)
downloadlinux-468a272ca49cc4e2f58f3c360643c3f6d313c146.tar.xz
ASoC: max98373-sdw: add missing memory allocation check
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>
Diffstat (limited to 'sound/soc/codecs/max98373-sdw.c')
-rw-r--r--sound/soc/codecs/max98373-sdw.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98373-sdw.c b/sound/soc/codecs/max98373-sdw.c
index d8c47667a9ea..e178fdb6b899 100644
--- a/sound/soc/codecs/max98373-sdw.c
+++ b/sound/soc/codecs/max98373-sdw.c
@@ -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];