--- zzzz-none-000/linux-3.10.107/arch/mips/oprofile/backtrace.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/oprofile/backtrace.c	2021-02-04 17:41:59.000000000 +0000
@@ -65,7 +65,7 @@
  * - handle cases where the stack is adjusted inside a function
  *     (generally doesn't happen)
  * - find optimal value for max_instr_check
- * - try to find a way to handle leaf functions
+ * - try to find a better way to handle leaf functions
  */
 
 static inline int unwind_user_frame(struct stackframe *old_frame,
@@ -104,7 +104,7 @@
 	}
 
 	if (!ra_offset || !stack_size)
-		return -1;
+		goto done;
 
 	if (ra_offset) {
 		new_frame.ra = old_frame->sp + ra_offset;
@@ -121,6 +121,7 @@
 	if (new_frame.sp > old_frame->sp)
 		return -2;
 
+done:
 	new_frame.pc = old_frame->ra;
 	*old_frame = new_frame;