vfs_bind_mount_directory(): Fail if unmounting

2011-11-25 06:17:48 +01:00
parent 8855625e9e
commit 1b08a68a4f
1 changed files with 3 additions and 1 deletions
@@ -5019,8 +5019,10 @@ vfs_bind_mount_directory(dev_t mountID, ino_t nodeID, dev_t coveredMountID,
 	// establish the covered/covering links
 	WriteLocker locker(sVnodeLock);

-	if (vnode->covers != NULL || coveredVnode->covered_by != NULL)
+	if (vnode->covers != NULL || coveredVnode->covered_by != NULL
+		|| vnode->mount->unmounting || coveredVnode->mount->unmounting) {
 		return B_BUSY;
+	}

 	vnode->covers = coveredVnode;
 	vnode->SetCovering(true);