1 files changed, 3 insertions, 1 deletions

diff --git a/arch/arc/kernel/stacktrace.c b/arch/arc/kernel/stacktrace.c
index f8b7d880304d..ab97b034922f 100644
--- a/arch/arc/kernel/stacktrace.c
+++ b/arch/arc/kernel/stacktrace.c
@@ -237,11 +237,13 @@ unsigned int get_wchan(struct task_struct *tsk)
  */
 void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
 {
+        /* Assumes @tsk is sleeping so unwinds from __switch_to */
         arc_unwind_core(tsk, NULL, __collect_all_but_sched, trace);
 }
 
 void save_stack_trace(struct stack_trace *trace)
 {
-        arc_unwind_core(current, NULL, __collect_all, trace);
+        /* Pass NULL for task so it unwinds the current call frame */
+        arc_unwind_core(NULL, NULL, __collect_all, trace);
 }
 #endif