Commit 424c1b68 authored Mar 23, 2014 by Thomas Gleixner Committed by Paul E. McKenney May 14, 2014

rcutorture: Add missing destroy_timer_on_stack()

The rcu_torture_reader() function uses an on-stack timer_list structure
which it initializes with setup_timer_on_stack(). However, it fails to
use destroy_timer_on_stack() before exiting, which results in leaking a
tracking object if DEBUG_OBJECTS is enabled. This commit therefore
invokes destroy_timer_on_stack() to avoid this leakage.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

parent f0bf8fab

kernel/rcu/rcutorture.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1023,8 +1023,10 @@ rcu_torture_reader(void *arg)
		cond_resched();
		stutter_wait("rcu_torture_reader");
		} while (!torture_must_stop());
		if (irqreader && cur_ops->irq_capable)
		if (irqreader && cur_ops->irq_capable) {
		del_timer_sync(&t);
		destroy_timer_on_stack(&t);
		}
		torture_kthread_stopping("rcu_torture_reader");
		return 0;
		}