First execute the kstrtoul function and assign a value to err.
Signed-off-by: Li zeming <[email protected]>
---
mm/hugetlb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index e070b8593b37..be7a2c4081fc 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3714,7 +3714,7 @@ static ssize_t demote_store(struct kobject *kobj,
unsigned long nr_available;
nodemask_t nodes_allowed, *n_mask;
struct hstate *h;
- int err = 0;
+ int err;
int nid;
err = kstrtoul(buf, 10, &nr_demote);
--
2.18.2