linux-kernel - [PATCH] mm: Remove unnecessary '0' values from err

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Date:   Mon,  5 Sep 2022 10:09:18 +0800
From:   Li zeming <zeming@...china.com>
To:     mike.kravetz@...cle.com, songmuchun@...edance.com,
        akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Li zeming <zeming@...china.com>
Subject: [PATCH] mm: Remove unnecessary '0' values from err

First execute the kstrtoul function and assign a value to err.

Signed-off-by: Li zeming <zeming@...china.com>
---
 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