4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Lukasz Gemborowski <[email protected]> commit 22ebf00eb56fe77922de8138aa9af9996582c2b3 upstream. 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 <[email protected]> Reviewed-by: Alexander Sverdlin <[email protected]> Signed-off-by: Wolfram Sang <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/i2c/muxes/i2c-mux-reg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/i2c/muxes/i2c-mux-reg.c +++ b/drivers/i2c/muxes/i2c-mux-reg.c @@ -150,7 +150,7 @@ static int i2c_mux_reg_probe_dt(struct r 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))
