btrfs: remove redundant check in btrfs_get_extent_fiemap

Before returning hole_em in btrfs_get_fiemap_extent we check if it's different
than null. However, by the time this null check is triggered we already know
hole_em is not null because it means it points to the em we found and it
has already been dereferenced.

Signed-off-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:
Nikolay Borisov 2017-12-01 11:19:43 +02:00 committed by David Sterba
parent 5c9a702ed1
commit bf8d32b9b3

View file

@ -7305,7 +7305,7 @@ struct extent_map *btrfs_get_extent_fiemap(struct btrfs_inode *inode,
em->block_start = EXTENT_MAP_DELALLOC;
em->block_len = found;
}
} else if (hole_em) {
} else {
return hole_em;
}
out: