[tip:timers/core] net: core: pktgen: Remove bogus hrtimer_active( ) check

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Commit-ID:  46ac2f53dfe93a25b251696b946af7b673978ccb
Gitweb:     http://git.kernel.org/tip/46ac2f53dfe93a25b251696b946af7b673978ccb
Author:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Tue, 14 Apr 2015 21:09:16 +0000
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 22 Apr 2015 17:06:52 +0200

net: core: pktgen: 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@xxxxxxxxxxxxx>
Acked-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Preeti U Murthy <preeti@xxxxxxxxxxxxxxxxxx>
Cc: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Cc: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20150414203503.165258315@xxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 net/core/pktgen.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 508155b..54817d3 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2212,8 +2212,6 @@ static void spin(struct pktgen_dev *pkt_dev, ktime_t spin_until)
 		do {
 			set_current_state(TASK_INTERRUPTIBLE);
 			hrtimer_start_expires(&t.timer, HRTIMER_MODE_ABS);
-			if (!hrtimer_active(&t.timer))
-				t.task = NULL;
 
 			if (likely(t.task))
 				schedule();
--
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