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

[Colin King]

From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxx>
---
 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