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-rw-r--r--include/linux/mtd/mtd.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 089370758fc9..7e35755f6931 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -440,6 +440,8 @@ static inline void mtd_resume(struct mtd_info *mtd)
static inline int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs)
{
+ if (!mtd->block_isbad)
+ return -EOPNOTSUPP;
return mtd->block_isbad(mtd, ofs);
}
@@ -483,6 +485,11 @@ static inline int mtd_has_oob(const struct mtd_info *mtd)
return mtd->read_oob && mtd->write_oob;
}
+static inline int mtd_can_have_bb(const struct mtd_info *mtd)
+{
+ return !!mtd->block_isbad;
+}
+
/* Kernel-side ioctl definitions */
struct mtd_partition;
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