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| author | Chris Mason <chris.mason@oracle.com> | 2007-03-12 09:03:27 -0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-03-12 09:03:27 -0400 |
| commit | 83e15a28e046dbb4534dd263d1d3dc867a8994a2 (patch) | |
| tree | b6b2c9755520fd1c9993e847c8e7f1ef8be3f3e9 /fs/btrfs/extent-tree.c | |
| parent | 20524f02260910db1e67bd5335d3854e5e555efc (diff) | |
| download | lwn-83e15a28e046dbb4534dd263d1d3dc867a8994a2.tar.gz lwn-83e15a28e046dbb4534dd263d1d3dc867a8994a2.zip | |
fix leak in btrfs_drop_snapshot
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 6fbaece43ff6..e7b8a70b5e52 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -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); } @@ -499,9 +501,10 @@ 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; |