diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 0df95dcb2101..dabd569dbba8 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -203,9 +203,6 @@ unsigned long __get_wchan(struct task_struct *p)
 	struct unwind_state state;
 	unsigned long ip = 0;
 
-	if (!task_stack_page(p))
-		return 0;
-
 	if (!try_get_task_stack(p))
 		return 0;