1 files changed, 9 insertions, 10 deletions

diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index 9b349619f431..4c7d04362c95 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -622,7 +622,6 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
 		    struct lockdep_map *nest_lock, unsigned long ip,
 		    struct ww_acquire_ctx *ww_ctx, const bool use_ww_ctx)
 {
-	struct task_struct *task = current;
 	struct mutex_waiter waiter;
 	unsigned long flags;
 	bool first = false;
@@ -656,18 +655,18 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
 		goto skip_wait;
 
 	debug_mutex_lock_common(lock, &waiter);
-	debug_mutex_add_waiter(lock, &waiter, task);
+	debug_mutex_add_waiter(lock, &waiter, current);
 
 	/* add waiting tasks to the end of the waitqueue (FIFO): */
 	list_add_tail(&waiter.list, &lock->wait_list);
-	waiter.task = task;
+	waiter.task = current;
 
 	if (__mutex_waiter_is_first(lock, &waiter))
 		__mutex_set_flag(lock, MUTEX_FLAG_WAITERS);
 
 	lock_contended(&lock->dep_map, ip);
 
-	set_task_state(task, state);
+	set_task_state(current, state);
 	for (;;) {
 		/*
 		 * Once we hold wait_lock, we're serialized against
@@ -683,7 +682,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
 		 * wait_lock. This ensures the lock cancellation is ordered
 		 * against mutex_unlock() and wake-ups do not go missing.
 		 */
-		if (unlikely(signal_pending_state(state, task))) {
+		if (unlikely(signal_pending_state(state, current))) {
 			ret = -EINTR;
 			goto err;
 		}
@@ -702,7 +701,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
 			__mutex_set_flag(lock, MUTEX_FLAG_HANDOFF);
 		}
 
-		set_task_state(task, state);
+		set_task_state(current, state);
 		/*
 		 * Here we order against unlock; we must either see it change
 		 * state back to RUNNING and fall through the next schedule(),
@@ -716,9 +715,9 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
 	}
 	spin_lock_mutex(&lock->wait_lock, flags);
 acquired:
-	__set_task_state(task, TASK_RUNNING);
+	__set_task_state(current, TASK_RUNNING);
 
-	mutex_remove_waiter(lock, &waiter, task);
+	mutex_remove_waiter(lock, &waiter, current);
 	if (likely(list_empty(&lock->wait_list)))
 		__mutex_clear_flag(lock, MUTEX_FLAGS);
 
@@ -736,8 +735,8 @@ skip_wait:
 	return 0;
 
 err:
-	__set_task_state(task, TASK_RUNNING);
-	mutex_remove_waiter(lock, &waiter, task);
+	__set_task_state(current, TASK_RUNNING);
+	mutex_remove_waiter(lock, &waiter, current);
 	spin_unlock_mutex(&lock->wait_lock, flags);
 	debug_mutex_free_waiter(&waiter);
 	mutex_release(&lock->dep_map, 1, ip);