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Commit 22ebf00e authored by Lukasz Gemborowski's avatar Lukasz Gemborowski Committed by Wolfram Sang
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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: default avatarLukasz Gemborowski <lukasz.gemborowski@nokia.com>
Reviewed-by: default avatarAlexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
parent eab09988

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

+1 −1
Original line number Diff line number Diff line
@@ -145,7 +145,7 @@ static int i2c_mux_reg_probe_dt(struct regmux *mux, 
		mux->data.idle_in_use = true;



	/* map address from "reg" if exists */

	if (of_address_to_resource(np, 0, &res)) {

	if (of_address_to_resource(np, 0, &res) == 0) {

		mux->data.reg_size = resource_size(&res);

		mux->data.reg = devm_ioremap_resource(&pdev->dev, &res);

		if (IS_ERR(mux->data.reg))