diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 6c91ba5..0893707 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -427,12 +427,15 @@
 
 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)