scsi: qla2xxx: Remove return value from qla_nvme_ls()

The function always returns QLA_SUCCESS and the caller qla2x00_start_sp()
doesn't even evalute the return value. So there is no point in returning a
status.

Link: https://lore.kernel.org/r/20200520130819.90625-1-dwagner@suse.deReviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_iocb.c

@@ -3607,11 +3607,10 @@ static void qla2x00_send_notify_ack_iocb(srb_t *sp,
 /*
  * Build NVME LS request
  */
-static int
+static void
 qla_nvme_ls(srb_t *sp, struct pt_ls4_request *cmd_pkt)
 {
 	struct srb_iocb *nvme;
-	int     rval = QLA_SUCCESS;
 
 	nvme = &sp->u.iocb_cmd;
 	cmd_pkt->entry_type = PT_LS4_REQUEST;
@@ -3631,8 +3630,6 @@ qla_nvme_ls(srb_t *sp, struct pt_ls4_request *cmd_pkt)
 	cmd_pkt->rx_byte_count = cpu_to_le32(nvme->u.nvme.rsp_len);
 	cmd_pkt->dsd[1].length = cpu_to_le32(nvme->u.nvme.rsp_len);
 	put_unaligned_le64(nvme->u.nvme.rsp_dma, &cmd_pkt->dsd[1].address);
-
-	return rval;
 }
 
 static void