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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
i2c: muxes: Fix return value check in mule_i2c_mux_probe()
If dev_get_regmap() fails, it returns NULL pointer not ERR_PTR(),
replace IS_ERR() with NULL pointer check, and return -ENODEV.
Fixes: d0f8e97866bf ("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>
authored by Yang Yingliang and committed by Andi Shyti ab2e5c8f 59b723cd
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-2
drivers/i2c/muxes/i2c-mux-mule.c
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-2
drivers/i2c/muxes/i2c-mux-mule.c
···
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priv = i2c_mux_priv(muxc);
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priv->regmap = dev_get_regmap(mux_dev->parent, NULL);
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if (IS_ERR(priv->regmap))
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return dev_err_probe(mux_dev, PTR_ERR(priv->regmap),
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if (!priv->regmap)
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return dev_err_probe(mux_dev, -ENODEV,
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"No parent i2c register map\n");
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platform_set_drvdata(pdev, muxc);