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OpenCloudOS-Kernel
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btrfs: handle errors returned from get_tree_block_key 

Signed-off-by: David Sterba <dsterba@suse.cz>
Reviewed-by: Zach Brown <zab@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
David Sterba 2013-04-26 12:56:04 +00:00 committed by Josef Bacik
parent 48a3b6366f
commit 34c2b29079
1 changed files with 8 additions and 4 deletions
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12
fs/btrfs/relocation.c
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@ -2875,7 +2875,7 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
path = btrfs_alloc_path();
if (!path) {
err = -ENOMEM;
goto out_path;
goto out_free_blocks;
}
rb_node = rb_first(blocks);
@ -2889,8 +2889,11 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
rb_node = rb_first(blocks);
while (rb_node) {
block = rb_entry(rb_node, struct tree_block, rb_node);
if (!block->key_ready)
get_tree_block_key(rc, block);
if (!block->key_ready) {
err = get_tree_block_key(rc, block);
if (err)
goto out_free_path;
}
rb_node = rb_next(rb_node);
}
@ -2917,8 +2920,9 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
out:
err = finish_pending_nodes(trans, rc, path, err);
out_free_path:
btrfs_free_path(path);
out_path:
out_free_blocks:
free_block_list(blocks);
return err;
}