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Btrfs-progs: just return -ENOENT if we don't find the root item 

We were bug_on(slot == 0), but that's just obnoxious, return -ENOENT so we can
handle the situation properly.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
master
Josef Bacik 2013-10-23 12:18:03 -04:00 committed by Chris Mason
parent cee267d8c8
commit b91d84abc0
1 changed files with 2 additions and 1 deletions
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3
root-tree.c
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@ -40,10 +40,11 @@ int btrfs_find_last_root(struct btrfs_root *root, u64 objectid,
ret = btrfs_search_slot(NULL, root, &search_key, path, 0, 0);
if (ret < 0)
goto out;
if (path->slots[0] == 0)
return -ENOENT;
BUG_ON(ret == 0);
l = path->nodes[0];
BUG_ON(path->slots[0] == 0);
slot = path->slots[0] - 1;
btrfs_item_key_to_cpu(l, &found_key, slot);
if (found_key.objectid != objectid) {