[PATCH v3] mtd: change len type from signed to unsigned type

[Huijin Park]

From: "huijin.park" <huijin.park@xxxxxxxxxxx>

Callers of erase_write() always pass an unsigned int.
So this patch avoids a cast to an int.

Signed-off-by: huijin.park <huijin.park@xxxxxxxxxxx>
Reviewed-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>

---

Changes since v1:
 * Made commit message more clear.
Changes since v2:
 * Made commit message more clear.
---
 drivers/mtd/mtdblock.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index a5b1933..b2d5ed1 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -56,7 +56,7 @@ struct mtdblk_dev {
  */
 
 static int erase_write (struct mtd_info *mtd, unsigned long pos,
-			int len, const char *buf)
+			unsigned int len, const char *buf)
 {
 	struct erase_info erase;
 	size_t retlen;
-- 
1.7.9.5