Don't operate with pid_t in rtmutex tester
The proper behavior to store task's pid and get this task later is to get the
struct pid pointer and get the task with the pid_task() call.
Make it for rt_mutex_waiter->deadlock_task_pid field.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/rtmutex_common.h b/kernel/rtmutex_common.h
index 2d3b835..e124bf5 100644
--- a/kernel/rtmutex_common.h
+++ b/kernel/rtmutex_common.h
@@ -51,7 +51,7 @@
struct rt_mutex *lock;
#ifdef CONFIG_DEBUG_RT_MUTEXES
unsigned long ip;
- pid_t deadlock_task_pid;
+ struct pid *deadlock_task_pid;
struct rt_mutex *deadlock_lock;
#endif
};