[RFC PATCH v1.1 09/11] mm/damon/sysfs: kobject_del() probe filter dirs

[SeongJae Park]

On CONFIG_DEBUG_KOBJECT_RELEASE enabled kernel, lack of kobject_del()
could cause directories creation failures due to the name conflicts. Fix
those issues for data attribute probe filter directories by adding
kobject_del() calls.

Fixes: 82e66aef7714 ("mm/damon/sysfs: implement filter dir")
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
 mm/damon/sysfs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 5ca45654cdd39..36a0e82601697 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -962,8 +962,10 @@ static void damon_sysfs_filters_rm_dirs(struct damon_sysfs_filters *filters)
 	struct damon_sysfs_filter **filters_arr = filters->filters_arr;
 	int i;
 
-	for (i = 0; i < filters->nr; i++)
+	for (i = 0; i < filters->nr; i++) {
+		kobject_del(&filters_arr[i]->kobj);
 		kobject_put(&filters_arr[i]->kobj);
+	}
 	filters->nr = 0;
 	kfree(filters_arr);
 	filters->filters_arr = NULL;
-- 
2.47.3