i2c: mux: reg: wrong condition checked for of_address_to_resource return value
of_address_to_resource return 0 on successful call but devm_ioremap_resource is called only if it returns non-zero value Signed-off-by: Lukasz Gemborowski <lukasz.gemborowski@nokia.com> Reviewed-by: Alexander Sverdlin <alexander.sverdlin@nokia.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org
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@ -145,7 +145,7 @@ static int i2c_mux_reg_probe_dt(struct regmux *mux,
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mux->data.idle_in_use = true;
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/* map address from "reg" if exists */
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if (of_address_to_resource(np, 0, &res)) {
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if (of_address_to_resource(np, 0, &res) == 0) {
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mux->data.reg_size = resource_size(&res);
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mux->data.reg = devm_ioremap_resource(&pdev->dev, &res);
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if (IS_ERR(mux->data.reg))
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