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 a4b029a417f04edf9740e29d286659b9e19712aa..1a6d0e367b89c193d525e616f6c64c406fa0fe71 100644 (file)
--- 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--;
        }