In the find_parent_nodes(), if read_tree_block() fails, we can not return directly, we should free some allocated memory otherwise memory leak happens.
Signed-off-by: Wang Shilong <[email protected]> --- Since Chris has already setup his pull, we'd like to send another patch. --- fs/btrfs/backref.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index b4fb415..290e347 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -918,7 +918,8 @@ again: ref->parent, bsz, 0); if (!eb || !extent_buffer_uptodate(eb)) { free_extent_buffer(eb); - return -EIO; + ret = -EIO; + goto out; } ret = find_extent_in_eb(eb, bytenr, *extent_item_pos, &eie); -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
