diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index bc4ca94137f2..7b155e19df4e 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -125,7 +125,10 @@ extern const struct dentry_operations cifs_ci_dentry_ops;
 #ifdef CONFIG_CIFS_DFS_UPCALL
 extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
 #else
-#define cifs_dfs_d_automount NULL
+static inline struct vfsmount *cifs_dfs_d_automount(struct path *path)
+{
+	return ERR_PTR(-EREMOTE);
+}
 #endif
 
 /* Functions related to symlinks */