From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 13 Apr 2016 06:42:34 +0000 (+0300)
Subject: mtd: silence some uninitialized variable warnings
X-Git-Tag: v4.8-rc1~57^2~21
X-Git-Url: http://git.cascardo.info/?p=cascardo%2Flinux.git;a=commitdiff_plain;h=c3cb77f8980db9dba614822d2d4a4cc61e44c8e2

mtd: silence some uninitialized variable warnings

The "tmp_retlen" variable can be uninitialized if action() fails.  It's
harmless except for the static checker warning.  I have moved the error
handling earlier to fix it.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index a4b029a417f0..1a6d0e367b89 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -3188,13 +3188,13 @@ static int onenand_otp_walk(struct mtd_info *mtd, loff_t from, size_t len,
 			size_t tmp_retlen;
 
 			ret = action(mtd, from, len, &tmp_retlen, buf);
+			if (ret)
+				break;
 
 			buf += tmp_retlen;
 			len -= tmp_retlen;
 			*retlen += tmp_retlen;
 
-			if (ret)
-				break;
 		}
 		otp_pages--;
 	}