linux-kernel - [PATCH] mm: sparse: remove unnecessary ‘0’ values from rc

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Message-Id: <20230421214733.2909-1-zeming@nfschina.com>
Date:   Sat, 22 Apr 2023 05:47:33 +0800
From:   Li zeming <zeming@...china.com>
To:     akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Li zeming <zeming@...china.com>
Subject: [PATCH] mm: sparse: remove unnecessary ‘0’ values from rc

rc is assigned first, so it does not need to initialize the
assignment.

Signed-off-by: Li zeming <zeming@...china.com>
---
 mm/sparse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/sparse.c b/mm/sparse.c
index fb7aeb1899a4..c2afdb26039e 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -832,7 +832,7 @@ static struct page * __meminit section_activate(int nid, unsigned long pfn,
 	struct mem_section *ms = __pfn_to_section(pfn);
 	struct mem_section_usage *usage = NULL;
 	struct page *memmap;
-	int rc = 0;
+	int rc;
 
 	if (!ms->usage) {
 		usage = kzalloc(mem_section_usage_size(), GFP_KERNEL);
-- 
2.18.2