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>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 8b278d2b15bb..a6fdbe83bad6 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -439,8 +439,8 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
 
 #ifdef CONFIG_MTD_DATAFLASH_OTP
 
-static int dataflash_get_otp_info(struct mtd_info *mtd,
-                struct otp_info *info, size_t len)
+static int dataflash_get_otp_info(struct mtd_info *mtd, size_t len,
+                                  size_t *retlen, struct otp_info *info)
 {
         /* Report both blocks as identical:  bytes 0..64, locked.
          * Unless the user block changed from all-ones, we can't
@@ -449,7 +449,8 @@ static int dataflash_get_otp_info(struct mtd_info *mtd,
         info->start = 0;
         info->length = 64;
         info->locked = 1;
-        return sizeof(*info);
+        *retlen = sizeof(*info);
+        return 0;
 }
 
 static ssize_t otp_read(struct spi_device *spi, unsigned base,