From e920aebafef93383e4655bc554916868e806686c Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Tue, 24 Apr 2018 17:31:20 +0000
Subject: [PATCH] Don't fetch the current instruction for faults on user "trap"
 instructions.

The value of 'instr' was not used to handle the fault.

Reported by:	GCC's -Wunused-but-set-variable
---
 sys/mips/mips/trap.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sys/mips/mips/trap.c b/sys/mips/mips/trap.c
index 946232cf826a..83449862e463 100644
--- a/sys/mips/mips/trap.c
+++ b/sys/mips/mips/trap.c
@@ -875,15 +875,12 @@ trap(struct trapframe *trapframe)
 	case T_TRAP + T_USER:
 		{
 			intptr_t va;
-			uint32_t instr;
 			struct trapframe *locr0 = td->td_frame;
 
 			/* compute address of trap instruction */
 			va = trapframe->pc;
 			if (DELAYBRANCH(trapframe->cause))
 				va += sizeof(int);
-			/* read break instruction */
-			instr = fuword32((caddr_t)va);
 
 			if (DELAYBRANCH(trapframe->cause)) {	/* Check BD bit */
 				locr0->pc = MipsEmulateBranch(locr0, trapframe->pc, 0,