X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=kernel%2Frtmutex.c;h=6522ae5b14a2ad7aca5cde919c3a5f1d305c6fd6;hb=afd38009cc3acd36d41f349a669ad5825d695b1f;hp=8cd9bd2cdb34243a89c45102708abdcc2c7cbdbd;hpb=f79e3185dd0f8650022518d7624c876d8929061b;p=firefly-linux-kernel-4.4.55.git

diff --git a/kernel/rtmutex.c b/kernel/rtmutex.c
index 8cd9bd2cdb34..6522ae5b14a2 100644
--- a/kernel/rtmutex.c
+++ b/kernel/rtmutex.c
@@ -185,7 +185,7 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
 			prev_max = max_lock_depth;
 			printk(KERN_WARNING "Maximum lock depth %d reached "
 			       "task: %s (%d)\n", max_lock_depth,
-			       top_task->comm, top_task->pid);
+			       top_task->comm, task_pid_nr(top_task));
 		}
 		put_task_struct(task);
 
@@ -630,9 +630,12 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state,
 	set_current_state(state);
 
 	/* Setup the timer, when timeout != NULL */
-	if (unlikely(timeout))
+	if (unlikely(timeout)) {
 		hrtimer_start(&timeout->timer, timeout->timer.expires,
 			      HRTIMER_MODE_ABS);
+		if (!hrtimer_active(&timeout->timer))
+			timeout->task = NULL;
+	}
 
 	for (;;) {
 		/* Try to acquire the lock: */