4.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Lukasz Gemborowski <lukasz.gemborowski@xxxxxxxxx>
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 <lukasz.gemborowski@xxxxxxxxx>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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))
--
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