[PATCH 09/17] mtd: mtd->write_user_prot_reg directly

[Artem Bityutskiy]

From: Artem Bityutskiy <artem.bityutskiy at linux.intel.com>

Instead, just call 'mtd_write_user_prot_reg()' and check the '-EOPNOTSUPP' return
code.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy at linux.intel.com>
---
 drivers/mtd/mtdchar.c   |    4 ----
 include/linux/mtd/mtd.h |    2 ++
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 4e8e5fb..25bbbc3 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -310,10 +310,6 @@ static ssize_t mtdchar_write(struct file *file, const char __user *buf, size_t c
 			ret = -EROFS;
 			break;
 		case MTD_FILE_MODE_OTP_USER:
-			if (!mtd->write_user_prot_reg) {
-				ret = -EOPNOTSUPP;
-				break;
-			}
 			ret = mtd_write_user_prot_reg(mtd, *ppos, len,
 						      &retlen, kbuf);
 			break;
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index e488cf9..7cd56d2 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -381,6 +381,8 @@ static inline int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to,
 					  u_char *buf)
 {
 	*retlen = 0;
+	if (!mtd->write_user_prot_reg)
+		return -EOPNOTSUPP;
 	return mtd->write_user_prot_reg(mtd, to, len, retlen, buf);
 }
 
-- 
1.7.7.3