In case of error, the function devm_regmap_init() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR().
Fixes: 7d2a5f9ae41e ("ASoC: rt700: add rt700 codec driver") Signed-off-by: Wei Yongjun weiyongjun1@huawei.com --- sound/soc/codecs/rt700-sdw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/rt700-sdw.c b/sound/soc/codecs/rt700-sdw.c index 314103601af3..a4b95425886f 100644 --- a/sound/soc/codecs/rt700-sdw.c +++ b/sound/soc/codecs/rt700-sdw.c @@ -460,8 +460,8 @@ static int rt700_sdw_probe(struct sdw_slave *slave,
regmap = devm_regmap_init(&slave->dev, NULL, &slave->dev, &rt700_regmap); - if (!regmap) - return -EINVAL; + if (IS_ERR(regmap)) + return PTR_ERR(regmap);
rt700_init(&slave->dev, sdw_regmap, regmap, slave);