Commit ab2e5c8f authored by Yang Yingliang's avatar Yang Yingliang Committed by Andi Shyti
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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: d0f8e978 ("i2c: muxes: add support for tsd,mule-i2c multiplexer")
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarAndi Shyti <andi.shyti@kernel.org>
parent 59b723cd

drivers/i2c/muxes/i2c-mux-mule.c

+2 −2
Original line number Diff line number Diff line
@@ -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);