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Btrfs: unify error handling of btrfs_lookup_dir_item

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Unify the error handling of directory item lookups using IS_ERR_OR_NULL.
No functional changes.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Liu Bo 2018-09-12 06:06:26 +08:00 • committed by David Sterba
parent 3b2fd80160
commit 3cf5068f3d
2 changed files with 7 additions and 22 deletions
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8
fs/btrfs/send.c
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@ -1693,12 +1693,8 @@ static int lookup_dir_item_inode(struct btrfs_root *root,
di = btrfs_lookup_dir_item(NULL, root, path,
dir, name, name_len, 0);
if (!di) {
ret = -ENOENT;
goto out;
}
if (IS_ERR(di)) {
ret = PTR_ERR(di);
if (IS_ERR_OR_NULL(di)) {
ret = di ? PTR_ERR(di) : -ENOENT;
goto out;
}
btrfs_dir_item_key_to_cpu(path->nodes[0], di, &key);