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    Subject[PATCH 5.8 043/118] ASoC: rt700: Fix return check for devm_regmap_init_sdw()
    Date
    From: Vinod Koul <vkoul@kernel.org>

    [ Upstream commit db1a4250aef53775ec0094b81454213319cc8c74 ]

    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@suse.de>
    Fixes: 7d2a5f9ae41e ("ASoC: rt700: add rt700 codec driver")
    Signed-off-by: Vinod Koul <vkoul@kernel.org>
    Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
    Link: https://lore.kernel.org/r/20200826163340.3249608-6-vkoul@kernel.org
    Signed-off-by: Mark Brown <broonie@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 4d14048d11976..1d24bf0407182 100644
    --- a/sound/soc/codecs/rt700-sdw.c
    +++ b/sound/soc/codecs/rt700-sdw.c
    @@ -452,8 +452,8 @@ static int rt700_sdw_probe(struct sdw_slave *slave,

    /* Regmap Initialization */
    sdw_regmap = devm_regmap_init_sdw(slave, &rt700_sdw_regmap);
    - if (!sdw_regmap)
    - return -EINVAL;
    + if (IS_ERR(sdw_regmap))
    + return PTR_ERR(sdw_regmap);

    regmap = devm_regmap_init(&slave->dev, NULL,
    &slave->dev, &rt700_regmap);
    --
    2.25.1


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