This is a note to let you know that I've just added the patch titled
mm/damon/sysfs: eliminate potential uninitialized variable warning
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:
mm-damon-sysfs-eliminate-potential-uninitialized-var.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.
commit ac8261a6460b8f098205fd6d566b11a58a005736
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Mon Nov 6 17:07:40 2023 +0300
mm/damon/sysfs: eliminate potential uninitialized variable warning
[ Upstream commit 85c2ceaafbd306814a3a4740bf4d95ac26a8b36a ]
The "err" variable is not initialized if damon_target_has_pid(ctx) is
false and sys_target->regions->nr is zero.
Link: https://lkml.kernel.org/r/739e6aaf-a634-4e33-98a8-16546379ec9f@moroto.mountain
Fixes: 0bcd216c4741 ("mm/damon/sysfs: update monitoring target regions for online input commit")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index dbf5e4de97a0f..9ea21b6d266be 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -2210,7 +2210,7 @@ static int damon_sysfs_update_target(struct damon_target *target,
struct damon_ctx *ctx,
struct damon_sysfs_target *sys_target)
{
- int err;
+ int err = 0;
if (damon_target_has_pid(ctx)) {
err = damon_sysfs_update_target_pid(target, sys_target->pid);
