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... 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];