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| author | Filipe David Borba Manana <fdmanana@gmail.com> | 2013-07-13 12:25:15 +0100 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2013-09-01 07:57:35 -0400 |
| commit | 647f63bd363e5f4800bf3e85a613793e1eb4bf25 (patch) | |
| tree | 0108f28153b8b72b3b5e10a5789ce6c7c8b1c659 /fs/btrfs/relocation.c | |
| parent | ccf39f92f37b0ee7d8de663fc438482f2019c4a6 (diff) | |
| download | linux-647f63bd363e5f4800bf3e85a613793e1eb4bf25.tar.gz linux-647f63bd363e5f4800bf3e85a613793e1eb4bf25.tar.bz2 linux-647f63bd363e5f4800bf3e85a613793e1eb4bf25.zip | |
Btrfs: add missing error checks to add_data_references
The function relocation.c:add_data_references() was not checking
if all calls to __add_tree_block() and find_data_references() were
succeeding or not.
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/relocation.c')
| -rw-r--r-- | fs/btrfs/relocation.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 12096496cc99..295a6115c326 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -3628,7 +3628,7 @@ int add_data_references(struct reloc_control *rc, unsigned long ptr; unsigned long end; u32 blocksize = btrfs_level_size(rc->extent_root, 0); - int ret; + int ret = 0; int err = 0; eb = path->nodes[0]; @@ -3655,6 +3655,10 @@ int add_data_references(struct reloc_control *rc, } else { BUG(); } + if (ret) { + err = ret; + goto out; + } ptr += btrfs_extent_inline_ref_size(key.type); } WARN_ON(ptr > end); @@ -3700,6 +3704,7 @@ int add_data_references(struct reloc_control *rc, } path->slots[0]++; } +out: btrfs_release_path(path); if (err) free_block_list(blocks); |