From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wm0-f67.google.com ([74.125.82.67]:36189 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965102AbcCPVdL (ORCPT ); Wed, 16 Mar 2016 17:33:11 -0400 Received: by mail-wm0-f67.google.com with SMTP id l68so10871091wml.3 for ; Wed, 16 Mar 2016 14:33:11 -0700 (PDT) From: Heiner Kallweit Subject: [PATCH v2] media: rc: remove unneeded mutex in rc_register_device To: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, vladimir_zapolskiy@mentor.com Message-ID: <56E9D108.5010702@gmail.com> Date: Wed, 16 Mar 2016 22:32:56 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Access to dev->initialized is atomic and dev->initialized isn't accessed in any other code protected by this mutex. Therefore we don't need to get the mutex here. Signed-off-by: Heiner Kallweit --- v2: - corrected commit message --- drivers/media/rc/rc-main.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 4e9bbe7..68541b1 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -1492,9 +1492,7 @@ int rc_register_device(struct rc_dev *dev) } /* Allow the RC sysfs nodes to be accessible */ - mutex_lock(&dev->lock); atomic_set(&dev->initialized, 1); - mutex_unlock(&dev->lock); IR_dprintk(1, "Registered rc%u (driver: %s, remote: %s, mode %s)\n", dev->minor, -- 2.7.3