diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
index 5a40d36e5a5101f178a92703b818487925db882d..fa2348dcd6718732c3f8bfb4ad2ecfe52c323aad 100644
--- a/fs/autofs4/waitq.c
+++ b/fs/autofs4/waitq.c
@@ -191,6 +191,13 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
 	}
 
 	if ( !wq ) {
+		/* Can't wait for an expire if there's no mount */
+		if (notify == NFY_NONE && !d_mountpoint(dentry)) {
+			kfree(name);
+			up(&sbi->wq_sem);
+			return -ENOENT;
+		}
+
 		/* Create a new wait queue */
 		wq = kmalloc(sizeof(struct autofs_wait_queue),GFP_KERNEL);
 		if ( !wq ) {