NFSv4/pnfs: Remove redundant list check

pnfs_layout_free_bulk_destroy_list() already checks for whether the list
is empty or not.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

fs/nfs/pnfs.c

@@ -923,8 +923,6 @@ pnfs_destroy_layouts_byfsid(struct nfs_client *clp,
 	rcu_read_unlock();
 	spin_unlock(&clp->cl_lock);
 
-	if (list_empty(&layout_list))
-		return 0;
 	return pnfs_layout_free_bulk_destroy_list(&layout_list, is_recall);
 }
 
@@ -947,8 +945,6 @@ pnfs_destroy_layouts_byclid(struct nfs_client *clp,
 	rcu_read_unlock();
 	spin_unlock(&clp->cl_lock);
 
-	if (list_empty(&layout_list))
-		return 0;
 	return pnfs_layout_free_bulk_destroy_list(&layout_list, is_recall);
 }