diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index d6f1996..ecf0633 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2755,6 +2755,8 @@
 	struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices;
 
 	device = kzalloc(sizeof(*device), GFP_NOFS);
+	if (!device)
+		return NULL;
 	list_add(&device->dev_list,
 		 &fs_devices->devices);
 	device->barriers = 1;