First execute the kstrtoul function and assign a value to err. Signed-off-by: Li zeming <zeming@xxxxxxxxxxxx> --- 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
