scsi: qla2xxx: Introduce a switch/case statement in qlt_xmit_tm_rsp()

This patch improves code readability but does not change any functionality.

Cc: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_target.c

@@ -2379,20 +2379,20 @@ void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *mcmd)
 	}
 
 	if (mcmd->flags == QLA24XX_MGMT_SEND_NACK) {
-		if (mcmd->orig_iocb.imm_ntfy.u.isp24.status_subcode ==
-		    ELS_LOGO ||
-		    mcmd->orig_iocb.imm_ntfy.u.isp24.status_subcode ==
-		    ELS_PRLO ||
-		    mcmd->orig_iocb.imm_ntfy.u.isp24.status_subcode ==
-		    ELS_TPRLO) {
+		switch (mcmd->orig_iocb.imm_ntfy.u.isp24.status_subcode) {
+		case ELS_LOGO:
+		case ELS_PRLO:
+		case ELS_TPRLO:
 			ql_dbg(ql_dbg_disc, vha, 0x2106,
 			    "TM response logo %phC status %#x state %#x",
 			    mcmd->sess->port_name, mcmd->fc_tm_rsp,
 			    mcmd->flags);
 			qlt_schedule_sess_for_deletion(mcmd->sess);
-		} else {
+			break;
+		default:
 			qlt_send_notify_ack(vha->hw->base_qpair,
 			    &mcmd->orig_iocb.imm_ntfy, 0, 0, 0, 0, 0, 0);
+			break;
 		}
 	} else {
 		if (mcmd->orig_iocb.atio.u.raw.entry_type == ABTS_RECV_24XX) {