Commit 83e15a28 authored by Chris Mason's avatar Chris Mason Committed by David Woodhouse

fix leak in btrfs_drop_snapshot

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 20524f02
......@@ -167,7 +167,7 @@ int commit_transaction(struct ctree_root *root, struct ctree_super_block *s)
root->node->count++;
ret = btrfs_drop_snapshot(root, snap);
BUG_ON(ret);
tree_block_release(root, snap);
// tree_block_release(root, snap);
}
write_ctree_super(root, s);
btrfs_finish_extent_commit(root);
......
......@@ -441,15 +441,15 @@ int walk_down_tree(struct ctree_root *root, struct ctree_path *path, int *level)
}
BUG_ON(ret);
next = read_tree_block(root, blocknr);
if (path->nodes[*level-1]) {
if (path->nodes[*level-1])
tree_block_release(root, path->nodes[*level-1]);
}
path->nodes[*level-1] = next;
*level = node_level(next->node.header.flags);
path->slots[*level] = 0;
}
out:
ret = free_extent(root, path->nodes[*level]->blocknr, 1);
tree_block_release(root, path->nodes[*level]);
path->nodes[*level] = NULL;
*level += 1;
BUG_ON(ret);
......@@ -470,6 +470,8 @@ int walk_up_tree(struct ctree_root *root, struct ctree_path *path, int *level)
} else {
ret = free_extent(root,
path->nodes[*level]->blocknr, 1);
tree_block_release(root, path->nodes[*level]);
path->nodes[*level] = NULL;
*level = i + 1;
BUG_ON(ret);
}
......@@ -499,10 +501,11 @@ int btrfs_drop_snapshot(struct ctree_root *root, struct tree_buffer *snap)
if (ret > 0)
break;
}
for (i = 0; i < orig_level; i++) {
if (path.nodes[i])
for (i = 0; i <= orig_level; i++) {
if (path.nodes[i]) {
tree_block_release(root, path.nodes[i]);
}
}
return 0;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment