This is a note to let you know that I've just added the patch titled
i2c: mux: reg: wrong condition checked for of_address_to_resource return value
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
i2c-mux-reg-wrong-condition-checked-for-of_address_to_resource-return-value.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 22ebf00eb56fe77922de8138aa9af9996582c2b3 Mon Sep 17 00:00:00 2001
From: Lukasz Gemborowski <lukasz.gemborowski@xxxxxxxxx>
Date: Mon, 27 Jun 2016 12:57:47 +0200
Subject: i2c: mux: reg: wrong condition checked for of_address_to_resource return value
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))
Patches currently in stable-queue which might be from lukasz.gemborowski@xxxxxxxxx are
queue-4.4/i2c-mux-reg-wrong-condition-checked-for-of_address_to_resource-return-value.patch
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