The error code is missing in this code scenario, add the error code
'-ENOMEM' to the return value 'err'.
Eliminate the follow smatch warning:
mm/damon/sysfs.c:1647 damon_sysfs_attrs_add_dirs() warn: missing error
code 'err'.
Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
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 32a9d21c0db5..0eca71163924 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -1643,8 +1643,10 @@ static int damon_sysfs_attrs_add_dirs(struct damon_sysfs_attrs *attrs)
attrs->intervals = intervals;
nr_regions_range = damon_sysfs_ul_range_alloc(10, 1000);
- if (!nr_regions_range)
+ if (!nr_regions_range) {
+ err = -ENOMEM;
goto put_intervals_out;
+ }
err = kobject_init_and_add(&nr_regions_range->kobj,
&damon_sysfs_ul_range_ktype, &attrs->kobj,
--
2.20.1.7.g153144c
