Clean up do_undefinstr - it only needs to take the pt_regs pointer

argument.

arch/arm/kernel/entry-armv.S

@@ -799,8 +799,7 @@ __und_svc:	sub	sp, sp, #S_FRAME_SIZE
 		adrsvc	al, r9, 1f			@ r9  = normal FP return
 		bl	call_fpe			@ lr  = undefined instr return
 
-		mov	r0, r5				@ unsigned long pc
-		mov	r1, sp				@ struct pt_regs *regs
+		mov	r0, sp				@ struct pt_regs *regs
 		bl	do_undefinstr
 
 1:		set_cpsr_c r0, #PSR_I_BIT | MODE_SVC
@@ -926,8 +925,7 @@ call_fpe:	get_thread_info r10			@ get current thread
 		ldr	pc, [r4]			@ Call FP module USR entry point
 
 fpundefinstr:	set_cpsr_c r0, #MODE_SVC		@ Enable interrupts
-		mov	r0, lr
-		mov	r1, sp
+		mov	r0, sp
 		adrsvc	al, lr, ret_from_exception
 		b	do_undefinstr
 

arch/arm/kernel/traps.c

@@ -201,7 +201,7 @@ void die_if_kernel(const char *str, struct pt_regs *regs, int err)
     	die(str, regs, err);
 }
 
-asmlinkage void do_undefinstr(int address, struct pt_regs *regs, int mode)
+asmlinkage void do_undefinstr(struct pt_regs *regs)
 {
 	unsigned long *pc;
 	siginfo_t info;
@@ -229,7 +229,7 @@ asmlinkage void do_undefinstr(int address, struct pt_regs *regs, int mode)
 
 	force_sig_info(SIGILL, &info, current);
 
-	die_if_kernel("Oops - undefined instruction", regs, mode);
+	die_if_kernel("Oops - undefined instruction", regs, 0);
 }
 
 #ifdef CONFIG_CPU_26