mtd: Add a retlen parameter to _get_{fact,user}_prot_info

Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Cc: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 3c7d6d7..1ca9aec 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -150,11 +150,12 @@
 						 retlen, buf);
 }
 
-static int part_get_user_prot_info(struct mtd_info *mtd,
-		struct otp_info *buf, size_t len)
+static int part_get_user_prot_info(struct mtd_info *mtd, size_t len,
+				   size_t *retlen, struct otp_info *buf)
 {
 	struct mtd_part *part = PART(mtd);
-	return part->master->_get_user_prot_info(part->master, buf, len);
+	return part->master->_get_user_prot_info(part->master, len, retlen,
+						 buf);
 }
 
 static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
@@ -165,11 +166,12 @@
 						 retlen, buf);
 }
 
-static int part_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf,
-		size_t len)
+static int part_get_fact_prot_info(struct mtd_info *mtd, size_t len,
+				   size_t *retlen, struct otp_info *buf)
 {
 	struct mtd_part *part = PART(mtd);
-	return part->master->_get_fact_prot_info(part->master, buf, len);
+	return part->master->_get_fact_prot_info(part->master, len, retlen,
+						 buf);
 }
 
 static int part_write(struct mtd_info *mtd, loff_t to, size_t len,