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-rw-r--r--fs/btrfs/ctree.h7
-rw-r--r--fs/btrfs/root-tree.c4
2 files changed, 7 insertions, 4 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index a97a670..339e637 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2724,9 +2724,10 @@ int btrfs_del_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,
int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_key *key, struct btrfs_root_item
*item);
-int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root
- *root, struct btrfs_key *key, struct btrfs_root_item
- *item);
+int __must_check btrfs_update_root(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root,
+ struct btrfs_key *key,
+ struct btrfs_root_item *item);
int btrfs_find_last_root(struct btrfs_root *root, u64 objectid, struct
btrfs_root_item *item, struct btrfs_key *key);
int btrfs_find_dead_roots(struct btrfs_root *root, u64 objectid);
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 1fd93d6..1486cf9 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -93,7 +93,9 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root
unsigned long ptr;
path = btrfs_alloc_path();
- BUG_ON(!path);
+ if (!path)
+ return -ENOMEM;
+
ret = btrfs_search_slot(trans, root, key, path, 0, 1);
if (ret < 0)
goto out;
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