From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755496AbcEERyT (ORCPT ); Thu, 5 May 2016 13:54:19 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:34339 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754680AbcEERyR (ORCPT ); Thu, 5 May 2016 13:54:17 -0400 From: Muhammad Falak R Wani To: Jens Axboe Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] block: partition: use RCU_INIT_POINTER() for NULLing. Date: Thu, 5 May 2016 23:24:06 +0530 Message-Id: <1462470846-10446-1-git-send-email-falakreyaz@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It is safe to use RCU_INIT_POINTER() to NULL, instead of rcu_assign_pointer(). This results in slightly smaller/faster code. Signed-off-by: Muhammad Falak R Wani --- block/partition-generic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/partition-generic.c b/block/partition-generic.c index 2c6ae2a..e5219d5 100644 --- a/block/partition-generic.c +++ b/block/partition-generic.c @@ -262,8 +262,8 @@ void delete_partition(struct gendisk *disk, int partno) if (!part) return; - rcu_assign_pointer(ptbl->part[partno], NULL); - rcu_assign_pointer(ptbl->last_lookup, NULL); + RCU_INIT_POINTER(ptbl->part[partno], NULL); + RCU_INIT_POINTER(ptbl->last_lookup, NULL); kobject_put(part->holder_dir); device_del(part_to_dev(part)); -- 1.9.1