From fa2529923d3bc5f0b39ff7a7c52be74c4aea6f2a Mon Sep 17 00:00:00 2001 From: David Sterba Date: Wed, 15 Feb 2017 09:35:01 +0100 Subject: [PATCH] btrfs: handle allocation error in update_dev_stat_item Reviewed-by: Liu Bo Signed-off-by: David Sterba --- fs/btrfs/volumes.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index b443cc71830f..7c8c7bbee197 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6956,7 +6956,8 @@ static int update_dev_stat_item(struct btrfs_trans_handle *trans, key.offset = device->devid; path = btrfs_alloc_path(); - BUG_ON(!path); + if (!path) + return -ENOMEM; ret = btrfs_search_slot(trans, dev_root, &key, path, -1, 1); if (ret < 0) { btrfs_warn_in_rcu(fs_info, -- 2.20.1