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authorPeter Zijlstra <peterz@infradead.org>2017-03-22 11:35:56 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-03-23 19:10:09 +0100
commit50809358dd7199aa7ce232f6877dd09ec30ef374 (patch)
treea8f847cba791b1f9585330789fa230e7abfb762f /kernel/futex.c
parent16ffa12d742534d4ff73e8b3a4e81c1de39196f0 (diff)
downloadlinux-50809358dd7199aa7ce232f6877dd09ec30ef374.tar.bz2
futex,rt_mutex: Introduce rt_mutex_init_waiter()
Since there's already two copies of this code, introduce a helper now before adding a third one. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: juri.lelli@arm.com Cc: bigeasy@linutronix.de Cc: xlpang@redhat.com Cc: rostedt@goodmis.org Cc: mathieu.desnoyers@efficios.com Cc: jdesfossez@efficios.com Cc: dvhart@infradead.org Cc: bristot@redhat.com Link: http://lkml.kernel.org/r/20170322104151.950039479@infradead.org 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 3b0aace334a8..f03ff63326d7 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2956,10 +2956,7 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags,
* The waiter is allocated on our stack, manipulated by the requeue
* code while we sleep on uaddr.
*/
- debug_rt_mutex_init_waiter(&rt_waiter);
- RB_CLEAR_NODE(&rt_waiter.pi_tree_entry);
- RB_CLEAR_NODE(&rt_waiter.tree_entry);
- rt_waiter.task = NULL;
+ rt_mutex_init_waiter(&rt_waiter);
ret = get_futex_key(uaddr2, flags & FLAGS_SHARED, &key2, VERIFY_WRITE);
if (unlikely(ret != 0))