[PATCH -next] ASoC: rt700: fix return value check in rt700_sdw_probe()

From: Wei Yongjun
Date: Wed Jan 15 2020 - 09:35:09 EST


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@xxxxxxxxxx>
---
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);