Detected these variables by building with W=1.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
        u64 sa_res_key = 0;
        u32 mapped_lun = 0, target_lun = 0;
        int ret = -1, res_holder = 0, all_tg_pt = 0, arg, token;
-       u16 port_rpti = 0, tpgt = 0;
-       u8 type = 0, scope;
+       u16 tpgt = 0;
+       u8 type = 0;
 
        if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
                return 0;
                        break;
                case Opt_res_scope:
                        match_int(args, &arg);
-                       scope = (u8)arg;
                        break;
                case Opt_res_all_tg_pt:
                        match_int(args, &arg);
                        break;
                case Opt_port_rtpi:
                        match_int(args, &arg);
-                       port_rpti = (u16)arg;
                        break;
                case Opt_target_lun:
                        match_int(args, &arg);