From e2936b2af5562c8c66060e2bc2ae2e209d0acd3d Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Thu, 29 Dec 2011 10:45:04 +0200 Subject: mtd: do not use mtd->lock_user_prot_reg directly Instead, check the -EOPNOTSUPP return code of 'mtd_lock_user_prot_reg()'. Signed-off-by: Artem Bityutskiy Signed-off-by: David Woodhouse --- include/linux/mtd/mtd.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/mtd/mtd.h') diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 7cd56d2b9419..a994129ede55 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -389,6 +389,8 @@ static inline int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to, static inline int mtd_lock_user_prot_reg(struct mtd_info *mtd, loff_t from, size_t len) { + if (!mtd->lock_user_prot_reg) + return -EOPNOTSUPP; return mtd->lock_user_prot_reg(mtd, from, len); } -- cgit v1.2.3