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i2c: muxes: Fix return value check in mule_i2c_mux_probe()

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If dev_get_regmap() fails, it returns NULL pointer not ERR_PTR(),
replace IS_ERR() with NULL pointer check, and return -ENODEV.

Fixes: d0f8e97866 ("i2c: muxes: add support for tsd,mule-i2c multiplexer")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
This commit is contained in:
Yang Yingliang 2024-10-26 11:09:42 +08:00 committed by Andi Shyti
parent 59b723cd2a
commit ab2e5c8ff2
1 changed files with 2 additions and 2 deletions
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4
drivers/i2c/muxes/i2c-mux-mule.c
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@ -66,8 +66,8 @@ static int mule_i2c_mux_probe(struct platform_device *pdev)
priv = i2c_mux_priv(muxc);
priv->regmap = dev_get_regmap(mux_dev->parent, NULL);
if (IS_ERR(priv->regmap))
return dev_err_probe(mux_dev, PTR_ERR(priv->regmap),
if (!priv->regmap)
return dev_err_probe(mux_dev, -ENODEV,
"No parent i2c register map\n");
platform_set_drvdata(pdev, muxc);