This is a note to let you know that I've just added the patch titled
leds/led-class: Add missing put_device()
to the 4.1-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:
leds-led-class-add-missing-put_device.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From e5b5a61fcb3743f1dacf9e20d28f48423cecf0c1 Mon Sep 17 00:00:00 2001
From: Ricardo Ribalda Delgado <[email protected]>
Date: Fri, 31 Jul 2015 13:36:21 +0200
Subject: leds/led-class: Add missing put_device()
From: Ricardo Ribalda Delgado <[email protected]>
commit e5b5a61fcb3743f1dacf9e20d28f48423cecf0c1 upstream.
Devices found by class_find_device must be freed with put_device().
Otherwise the reference count will not work properly.
Fixes: a96aa64cb572 ("leds/led-class: Handle LEDs with the same name")
Reported-by: Alan Tull <[email protected]>
Signed-off-by: Ricardo Ribalda Delgado <[email protected]>
Signed-off-by: Jacek Anaszewski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/leds/led-class.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -223,12 +223,15 @@ static int led_classdev_next_name(const
{
unsigned int i = 0;
int ret = 0;
+ struct device *dev;
strlcpy(name, init_name, len);
- while (class_find_device(leds_class, NULL, name, match_name) &&
- (ret < len))
+ while ((ret < len) &&
+ (dev = class_find_device(leds_class, NULL, name, match_name))) {
+ put_device(dev);
ret = snprintf(name, len, "%s_%u", init_name, ++i);
+ }
if (ret >= len)
return -ENOMEM;
Patches currently in stable-queue which might be from [email protected]
are
queue-4.1/leds-led-class-add-missing-put_device.patch
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