Commit 25ac047c authored by Christoph Hellwig's avatar Christoph Hellwig Committed by David Sterba
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btrfs: remove a pointless NULL check in btrfs_lookup_fs_root 



btrfs_grab_root already checks for a NULL root itself.

Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent e91909aa

fs/btrfs/disk-io.c

+1 −2
Original line number Diff line number Diff line
@@ -1157,7 +1157,6 @@ static struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info, 
	spin_lock(&fs_info->fs_roots_radix_lock);

	root = radix_tree_lookup(&fs_info->fs_roots_radix,

				 (unsigned long)root_id);

	if (root)

	root = btrfs_grab_root(root);

	spin_unlock(&fs_info->fs_roots_radix_lock);

	return root;