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authorThomas Gleixner <tglx@linutronix.de>2015-04-14 21:09:13 +0000
committerThomas Gleixner <tglx@linutronix.de>2015-04-22 17:06:51 +0200
commit2e4b0d3fe88bc2618fd5d081ace338a70f8c23da (patch)
treea28645356412e14963375b54f49f0bfd3f4531f2 /kernel/futex.c
parent3f7b349ac14885472a19c46840235114e5ad5e52 (diff)
downloadop-kernel-dev-2e4b0d3fe88bc2618fd5d081ace338a70f8c23da.zip
op-kernel-dev-2e4b0d3fe88bc2618fd5d081ace338a70f8c23da.tar.gz
futex: Remove bogus hrtimer_active() check
The check for hrtimer_active() after starting the timer is pointless. If the timer is inactive it has expired already and therefor the task pointer is already NULL. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203502.985825453@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/futex.c')
-rw-r--r--kernel/futex.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index 2579e40..720eacf 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2063,11 +2063,8 @@ static void futex_wait_queue_me(struct futex_hash_bucket *hb, struct futex_q *q,
queue_me(q, hb);
/* Arm the timer */
- if (timeout) {
+ if (timeout)
hrtimer_start_expires(&timeout->timer, HRTIMER_MODE_ABS);
- if (!hrtimer_active(&timeout->timer))
- timeout->task = NULL;
- }
/*
* If we have been removed from the hash list, then another task
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