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-rw-r--r--include/linux/mtd/mtd.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 6c91ba59c22..089370758fc 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -427,12 +427,15 @@ static inline int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
static inline int mtd_suspend(struct mtd_info *mtd)
{
+ if (!mtd->suspend)
+ return -EOPNOTSUPP;
return mtd->suspend(mtd);
}
static inline void mtd_resume(struct mtd_info *mtd)
{
- mtd->resume(mtd);
+ if (mtd->resume)
+ mtd->resume(mtd);
}
static inline int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs)