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mm/damon/sysfs: eliminate potential uninitialized variable warning 

[ Upstream commit 85c2ceaafb ]

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@linaro.org>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2023-11-06 17:07:40 +03:00 committed by Greg Kroah-Hartman
parent b5ca945612
commit 5fd29433b2
1 changed files with 1 additions and 1 deletions
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2
mm/damon/sysfs.c
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@ -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);