This is a note to let you know that I've just added the patch titled
gpio: mockup: Fix potential resource leakage when register a chip
to the 5.19-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:
gpio-mockup-fix-potential-resource-leakage-when-register-a-chip.patch
and it can be found in the queue-5.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 02743c4091ccfb246f5cdbbe3f44b152d5d12933 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Date: Tue, 20 Sep 2022 16:30:31 +0300
Subject: gpio: mockup: Fix potential resource leakage when register a chip
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
commit 02743c4091ccfb246f5cdbbe3f44b152d5d12933 upstream.
If creation of software node fails, the locally allocated string
array is left unfreed. Free it on error path.
Fixes: 6fda593f3082 ("gpio: mockup: Convert to use software nodes")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Bartosz Golaszewski <brgl@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpio/gpio-mockup.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -533,8 +533,10 @@ static int __init gpio_mockup_register_c
}
fwnode = fwnode_create_software_node(properties, NULL);
- if (IS_ERR(fwnode))
+ if (IS_ERR(fwnode)) {
+ kfree_strarray(line_names, ngpio);
return PTR_ERR(fwnode);
+ }
pdevinfo.name = "gpio-mockup";
pdevinfo.id = idx;
Patches currently in stable-queue which might be from andriy.shevchenko@xxxxxxxxxxxxxxx are
queue-5.19/gpio-mockup-fix-potential-resource-leakage-when-register-a-chip.patch
