sh: Fix unaligned memory access for branches without delay slots

This patch just clears the return code for those cases where an
unaligned memory access occurs on branch instructions without a
delay slot.
Signed-off-by: NPhil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/kernel/traps_32.c

@@ -466,6 +466,7 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
 		case 0x0500: /* mov.w @(disp,Rm),R0 */
 			goto simple;
 		case 0x0B00: /* bf   lab - no delayslot*/
+			ret = 0;
 			break;
 		case 0x0F00: /* bf/s lab */
 			ret = handle_delayslot(regs, instruction, ma);
@@ -479,6 +480,7 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
 			}
 			break;
 		case 0x0900: /* bt   lab - no delayslot */
+			ret = 0;
 			break;
 		case 0x0D00: /* bt/s lab */
 			ret = handle_delayslot(regs, instruction, ma);