From mboxrd@z Thu Jan 1 00:00:00 1970 From: Muhammad Falak R Wani Subject: [PATCH] Input: evdev - use RCU_INIT_POINTER() when NULLing Date: Sun, 1 May 2016 17:47:23 +0530 Message-ID: <1462105043-8642-1-git-send-email-falakreyaz@gmail.com> Return-path: Received: from mail-pa0-f67.google.com ([209.85.220.67]:33002 "EHLO mail-pa0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752065AbcEAMRs (ORCPT ); Sun, 1 May 2016 08:17:48 -0400 Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Muhammad Falak R Wani It is safe to use RCU_INIT_POINTER() to NULL a pointer, instead of rcu_assign_pointer(). This results in slightly smaller/faster code. Signed-off-by: Muhammad Falak R Wani --- drivers/input/evdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index e9ae3d5..51875b5 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -392,7 +392,7 @@ static int evdev_ungrab(struct evdev *evdev, struct evdev_client *client) if (grab != client) return -EINVAL; - rcu_assign_pointer(evdev->grab, NULL); + RCU_INIT_POINTER(evdev->grab, NULL); synchronize_rcu(); input_release_device(&evdev->handle); -- 1.9.1