linux-kernel - [PATCH] mm: page-writeback: remove unused variable

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Message-Id: <20170621220231.4127077-1-arnd@arndb.de>
Date:   Thu, 22 Jun 2017 00:02:12 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Jeff Layton <jlayton@...hat.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Jan Kara <jack@...e.cz>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] mm: page-writeback: remove unused variable

A commit in today's file-locks/linux-next branch caused a warning
by introducing an unused variable:

mm/page-writeback.c: In function 'write_one_page':
mm/page-writeback.c:2380:15: warning: unused variable 'ret2' [-Wunused-variable]

Fixes: 4118ba44fa2c ("mm: clean up error handling in write_one_page")
Cc: Jeff Layton <jlayton@...hat.com>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 mm/page-writeback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 64b75bd996a4..0b60cc7ddac2 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2377,7 +2377,7 @@ int do_writepages(struct address_space *mapping, struct writeback_control *wbc)
 int write_one_page(struct page *page)
 {
 	struct address_space *mapping = page->mapping;
-	int ret = 0, ret2;
+	int ret = 0;
 	struct writeback_control wbc = {
 		.sync_mode = WB_SYNC_ALL,
 		.nr_to_write = 1,
-- 
2.9.0