Btrfs: cleanup some BUG_ON()
This patch changes some BUG_ON() to the error return.
(but, most callers still use BUG_ON())
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 429cfcf..f9425e33 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1828,7 +1828,8 @@
int orig_level;
path = btrfs_alloc_path();
- BUG_ON(!path);
+ if (!path)
+ return -ENOMEM;
level = btrfs_header_level(log->node);
orig_level = level;
@@ -3114,9 +3115,11 @@
.stage = 0,
};
- fs_info->log_root_recovering = 1;
path = btrfs_alloc_path();
- BUG_ON(!path);
+ if (!path)
+ return -ENOMEM;
+
+ fs_info->log_root_recovering = 1;
trans = btrfs_start_transaction(fs_info->tree_root, 0);
BUG_ON(IS_ERR(trans));
@@ -3124,7 +3127,8 @@
wc.trans = trans;
wc.pin = 1;
- walk_log_tree(trans, log_root_tree, &wc);
+ ret = walk_log_tree(trans, log_root_tree, &wc);
+ BUG_ON(ret);
again:
key.objectid = BTRFS_TREE_LOG_OBJECTID;
@@ -3148,8 +3152,7 @@
log = btrfs_read_fs_root_no_radix(log_root_tree,
&found_key);
- BUG_ON(!log);
-
+ BUG_ON(IS_ERR(log));
tmp_key.objectid = found_key.offset;
tmp_key.type = BTRFS_ROOT_ITEM_KEY;
