From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754122Ab2BBBkk (ORCPT ); Wed, 1 Feb 2012 20:40:40 -0500 Received: from e28smtp08.in.ibm.com ([122.248.162.8]:60854 "EHLO e28smtp08.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754053Ab2BBBki (ORCPT ); Wed, 1 Feb 2012 20:40:38 -0500 From: "Srivatsa S. Bhat" Subject: [PATCH] PM/Hibernate: Refactor and simplify freezer_test_done To: rjw@sisk.pl Cc: pavel@ucw.cz, len.brown@intel.com, tj@kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, srivatsa.bhat@linux.vnet.ibm.com Date: Thu, 02 Feb 2012 07:10:19 +0530 Message-ID: <20120202014014.11863.86758.stgit@srivatsabhat.in.ibm.com> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit x-cbid: 12020201-2000-0000-0000-000006456FCA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The code related to 'freezer_test_done' is needlessly convoluted. Refactor the code and simplify the implementation. Signed-off-by: Srivatsa S. Bhat --- kernel/power/hibernate.c | 10 +++++----- kernel/power/user.c | 4 ++-- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index c6dee73..72baaf0 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -629,12 +629,8 @@ int hibernate(void) goto Finish; error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM); - if (error) - goto Thaw; - if (freezer_test_done) { - freezer_test_done = false; + if (error || freezer_test_done) goto Thaw; - } if (in_suspend) { unsigned int flags = 0; @@ -659,6 +655,10 @@ int hibernate(void) Thaw: thaw_processes(); + + /* Don't bother checking whether freezer_test_done is true */ + freezer_test_done = false; + Finish: free_basic_memory_bitmaps(); usermodehelper_enable(); diff --git a/kernel/power/user.c b/kernel/power/user.c index 7bee91f..ea8b1c4 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -251,10 +251,10 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, error = hibernation_snapshot(data->platform_support); if (!error) { error = put_user(in_suspend, (int __user *)arg); - if (!error && !freezer_test_done) - data->ready = 1; if (freezer_test_done) freezer_test_done = false; + else if (!error) + data->ready = 1; } break;