diff options
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/mtd.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 721a63ffeb9..7122efdc6d9 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -342,6 +342,8 @@ static inline int mtd_write_oob(struct mtd_info *mtd, loff_t to, static inline int mtd_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf, size_t len) { + if (!mtd->get_fact_prot_info) + return -EOPNOTSUPP; return mtd->get_fact_prot_info(mtd, buf, len); } @@ -357,6 +359,8 @@ static inline int mtd_get_user_prot_info(struct mtd_info *mtd, struct otp_info *buf, size_t len) { + if (!mtd->get_user_prot_info) + return -EOPNOTSUPP; return mtd->get_user_prot_info(mtd, buf, len); } |