diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 025727bf679745e507bb427f14198bf1e607ae8e..c706eaac692e8129ce4b0a9d41b298eb3c3756c8 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -592,8 +592,8 @@ static inline struct inode *d_real_inode(const struct dentry *dentry)
 }
 
 struct name_snapshot {
-	const char *name;
-	char inline_name[DNAME_INLINE_LEN];
+	const unsigned char *name;
+	unsigned char inline_name[DNAME_INLINE_LEN];
 };
 void take_dentry_name_snapshot(struct name_snapshot *, struct dentry *);
 void release_dentry_name_snapshot(struct name_snapshot *);