From: Wei Yongjun Date: Wed, 15 Jan 2020 14:30:27 +0000 (+0000) Subject: ASoC: rt700: fix return value check in rt700_sdw_probe() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=20435df1c1d708b44f58da17653f2ea609aee790;p=openwrt%2Fstaging%2Fblogic.git ASoC: rt700: fix return value check in rt700_sdw_probe() 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 Link: https://lore.kernel.org/r/20200115143027.94364-1-weiyongjun1@huawei.com Signed-off-by: Mark Brown --- 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);