linux-kernel - [PATCH][mm-next] mm: clean up build warning with unused variable ret2

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Date:   Wed, 21 Jun 2017 11:14:33 +0100
From:   Colin King <colin.king@...onical.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Jan Kara <jack@...e.cz>, Michal Hocko <mhocko@...e.com>,
        Jeff Layton <jlayton@...hat.com>,
        Dave Chinner <dchinner@...hat.com>,
        Matthew Wilcox <mawilcox@...rosoft.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        linux-mm@...ck.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH][mm-next] mm: clean up build warning with unused variable ret2

From: Colin Ian King <colin.king@...onical.com>

Variable ret2 is unused and should be removed. Cleans up
build warning:

warning: unused variable 'ret2' [-Wunused-variable]

Fixes: 4118ba44fa2cd040e ("mm: clean up error handling in write_one_page")
Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 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,
-- 
2.11.0