diff --git a/include/asm-mips/stacktrace.h b/include/asm-mips/stacktrace.h
index 87bd7caec1cfa038f6dcc2b693723d31066b52bd..0bf82818aa53d9abe10a75c86e7c40c240d957d5 100644
--- a/include/asm-mips/stacktrace.h
+++ b/include/asm-mips/stacktrace.h
@@ -12,6 +12,7 @@ extern unsigned long unwind_stack(struct task_struct *task, unsigned long *sp,
 static inline unsigned long unwind_stack(struct task_struct *task,
 	unsigned long *sp, unsigned long pc, unsigned long *ra)
 {
+	return 0;
 }
 #endif