This is a note to let you know that I've just added the patch titled
bus: imx-weim: fix branch condition evaluates to a garbage value
to the 6.1-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:
bus-imx-weim-fix-branch-condition-evaluates-to-a-garbage-value.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1adab2922c58e7ff4fa9f0b43695079402cce876 Mon Sep 17 00:00:00 2001
From: Ivan Bornyakov <i.bornyakov@xxxxxxxxxxx>
Date: Mon, 6 Mar 2023 16:25:26 +0300
Subject: bus: imx-weim: fix branch condition evaluates to a garbage value
From: Ivan Bornyakov <i.bornyakov@xxxxxxxxxxx>
commit 1adab2922c58e7ff4fa9f0b43695079402cce876 upstream.
If bus type is other than imx50_weim_devtype and have no child devices,
variable 'ret' in function weim_parse_dt() will not be initialized, but
will be used as branch condition and return value. Fix this by
initializing 'ret' with 0.
This was discovered with help of clang-analyzer, but the situation is
quite possible in real life.
Fixes: 52c47b63412b ("bus: imx-weim: improve error handling upon child probe-failure")
Signed-off-by: Ivan Bornyakov <i.bornyakov@xxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>
Signed-off-by: Shawn Guo <shawnguo@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/bus/imx-weim.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/bus/imx-weim.c
+++ b/drivers/bus/imx-weim.c
@@ -204,8 +204,8 @@ static int weim_parse_dt(struct platform
const struct of_device_id *of_id = of_match_device(weim_id_table,
&pdev->dev);
const struct imx_weim_devtype *devtype = of_id->data;
+ int ret = 0, have_child = 0;
struct device_node *child;
- int ret, have_child = 0;
struct weim_priv *priv;
void __iomem *base;
u32 reg;
Patches currently in stable-queue which might be from i.bornyakov@xxxxxxxxxxx are
queue-6.1/bus-imx-weim-fix-branch-condition-evaluates-to-a-garbage-value.patch
