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ASoC: rt700: fix return value check in rt700_sdw_probe()
author
Wei Yongjun
<weiyongjun1@huawei.com>
Wed, 15 Jan 2020 14:30:27 +0000
(14:30 +0000)
committer
Mark Brown
<broonie@kernel.org>
Fri, 17 Jan 2020 15:30:59 +0000
(15:30 +0000)
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>
Link:
https://lore.kernel.org/r/20200115143027.94364-1-weiyongjun1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/rt700-sdw.c
patch
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diff --git
a/sound/soc/codecs/rt700-sdw.c
b/sound/soc/codecs/rt700-sdw.c
index
3141036
..
a4b9542
100644
(file)
--- 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);