linux-kernel - [tip:timers/core] hrtimer: Make use of timerqueue

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Message-ID: <tip-b97f44c9b658d52e0139c947ea5519e51ba38d81@git.kernel.org>
Date:	Wed, 22 Apr 2015 12:08:26 -0700
From:	tip-bot for Thomas Gleixner <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	fweisbec@...il.com, hpa@...or.com, preeti@...ux.vnet.ibm.com,
	peterz@...radead.org, viresh.kumar@...aro.org,
	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	mtosatti@...hat.com, mingo@...nel.org
Subject: [tip:timers/core] hrtimer: Make use of timerqueue_add/
 del return values

Commit-ID:  b97f44c9b658d52e0139c947ea5519e51ba38d81
Gitweb:     http://git.kernel.org/tip/b97f44c9b658d52e0139c947ea5519e51ba38d81
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Tue, 14 Apr 2015 21:08:47 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 22 Apr 2015 17:06:50 +0200

hrtimer: Make use of timerqueue_add/del return values

Use the return value instead of reevaluating the information.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Peter Zijlstra <peterz@...radead.org>
Cc: Preeti U Murthy <preeti@...ux.vnet.ibm.com>
Cc: Viresh Kumar <viresh.kumar@...aro.org>
Cc: Marcelo Tosatti <mtosatti@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Link: http://lkml.kernel.org/r/20150414203501.658152945@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 kernel/time/hrtimer.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index fce0ccf..0cd1e0b 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -842,7 +842,6 @@ static int enqueue_hrtimer(struct hrtimer *timer,
 {
 	debug_activate(timer);
 
-	timerqueue_add(&base->active, &timer->node);
 	base->cpu_base->active_bases |= 1 << base->index;
 
 	/*
@@ -851,7 +850,7 @@ static int enqueue_hrtimer(struct hrtimer *timer,
 	 */
 	timer->state |= HRTIMER_STATE_ENQUEUED;
 
-	return (&timer->node == base->active.next);
+	return timerqueue_add(&base->active, &timer->node);
 }
 
 /*
@@ -875,8 +874,7 @@ static void __remove_hrtimer(struct hrtimer *timer,
 		goto out;
 
 	next_timer = timerqueue_getnext(&base->active);
-	timerqueue_del(&base->active, &timer->node);
-	if (!timerqueue_getnext(&base->active))
+	if (!timerqueue_del(&base->active, &timer->node))
 		cpu_base->active_bases &= ~(1 << base->index);
 
 	if (&timer->node == next_timer) {
--
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