The patch titled
Subject: mm/damon/sysfs: eliminate potential uninitialized variable warning
has been added to the -mm mm-hotfixes-unstable branch. Its filename is
mm-damon-sysfs-eliminate-potential-uninitialized-variable-warning.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-sysfs-eliminate-potential-uninitialized-variable-warning.patch
This patch will later appear in the mm-hotfixes-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Subject: mm/damon/sysfs: eliminate potential uninitialized variable warning
Date: Mon, 6 Nov 2023 17:07:40 +0300
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>
---
mm/damon/sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/damon/sysfs.c~mm-damon-sysfs-eliminate-potential-uninitialized-variable-warning
+++ a/mm/damon/sysfs.c
@@ -1172,7 +1172,7 @@ static int damon_sysfs_update_target(str
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);
_
Patches currently in -mm which might be from dan.carpenter@xxxxxxxxxx are
mm-damon-sysfs-eliminate-potential-uninitialized-variable-warning.patch
