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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>
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parent
ccf39f92f3
commit
647f63bd36
1 changed files with 6 additions and 1 deletions
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@ -3628,7 +3628,7 @@ int add_data_references(struct reloc_control *rc,
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unsigned long ptr;
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unsigned long ptr;
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unsigned long end;
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unsigned long end;
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u32 blocksize = btrfs_level_size(rc->extent_root, 0);
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u32 blocksize = btrfs_level_size(rc->extent_root, 0);
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int ret;
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int ret = 0;
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int err = 0;
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int err = 0;
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eb = path->nodes[0];
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eb = path->nodes[0];
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@ -3655,6 +3655,10 @@ int add_data_references(struct reloc_control *rc,
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} else {
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} else {
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BUG();
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BUG();
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}
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}
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if (ret) {
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err = ret;
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goto out;
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}
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ptr += btrfs_extent_inline_ref_size(key.type);
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ptr += btrfs_extent_inline_ref_size(key.type);
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}
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}
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WARN_ON(ptr > end);
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WARN_ON(ptr > end);
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@ -3700,6 +3704,7 @@ int add_data_references(struct reloc_control *rc,
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}
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}
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path->slots[0]++;
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path->slots[0]++;
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}
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}
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out:
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btrfs_release_path(path);
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btrfs_release_path(path);
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if (err)
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if (err)
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free_block_list(blocks);
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free_block_list(blocks);
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