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authorJeff Mahoney <jeffm@suse.com>2009-02-12 10:06:15 -0500
committerChris Mason <chris.mason@oracle.com>2009-02-12 10:06:15 -0500
commit7951f3cefbd711f4429a0cd014aa83a844c399a0 (patch)
tree7eec0bc3b933d71f99cad5379ef15bf1e084a572 /fs
parentb335b0034e252e79ec2e9c6697f5d663c4627bec (diff)
Btrfs: balance_level checks !child after access
The BUG_ON() is in the wrong spot. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/ctree.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 35443cc4b9a..6674692f702 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -917,9 +917,9 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
/* promote the child to a root */
child = read_node_slot(root, mid, 0);
+ BUG_ON(!child);
btrfs_tree_lock(child);
btrfs_set_lock_blocking(child);
- BUG_ON(!child);
ret = btrfs_cow_block(trans, root, child, mid, 0, &child, 0);
BUG_ON(ret);