[PATCH v2 1/5] ASoC: max98373: Fix return check for devm_regmap_init_sdw()

From: Vinod Koul
Date: Wed Aug 26 2020 - 12:34:24 EST


devm_regmap_init_sdw() returns a valid pointer on success or ERR_PTR on
failure which should be checked with IS_ERR. Also use PTR_ERR for
returning error codes.

Reported-by: Takashi Iwai <tiwai@xxxxxxx>
Fixes: 56a5b7910e96 ("ASoC: codecs: max98373: add SoundWire support")
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
---
sound/soc/codecs/max98373-sdw.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/max98373-sdw.c b/sound/soc/codecs/max98373-sdw.c
index 5fe724728e84..e4675cfff7b2 100644
--- a/sound/soc/codecs/max98373-sdw.c
+++ b/sound/soc/codecs/max98373-sdw.c
@@ -838,8 +838,8 @@ static int max98373_sdw_probe(struct sdw_slave *slave,

/* Regmap Initialization */
regmap = devm_regmap_init_sdw(slave, &max98373_sdw_regmap);
- if (!regmap)
- return -EINVAL;
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);

return max98373_init(slave, regmap);
}
--
2.26.2