From b6de3d6cb63427178c4f1df88b81d1ceee637e6f Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Thu, 29 Dec 2011 10:06:32 +0200 Subject: mtd: do not use mtd->read_*_prot_reg directly Instead, call 'mtd_read_*_prot_info()' and check for -EOPNOTSUPP. Signed-off-by: Artem Bityutskiy Signed-off-by: David Woodhouse --- include/linux/mtd/mtd.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/linux/mtd/mtd.h') diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 7122efdc6d99..e488cf910914 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -352,6 +352,8 @@ static inline int mtd_read_fact_prot_reg(struct mtd_info *mtd, loff_t from, u_char *buf) { *retlen = 0; + if (!mtd->read_fact_prot_reg) + return -EOPNOTSUPP; return mtd->read_fact_prot_reg(mtd, from, len, retlen, buf); } @@ -369,6 +371,8 @@ static inline int mtd_read_user_prot_reg(struct mtd_info *mtd, loff_t from, u_char *buf) { *retlen = 0; + if (!mtd->read_user_prot_reg) + return -EOPNOTSUPP; return mtd->read_user_prot_reg(mtd, from, len, retlen, buf); } -- cgit v1.2.3