scsi: qla1280: Remove set but not used variable in qla1280_status_entry()

This addresses the following gcc warning with "make W=1":

drivers/scsi/qla1280.c: In function ‘qla1280_status_entry’:
drivers/scsi/qla1280.c:3607:28: warning: variable ‘lun’ set but not used
[-Wunused-but-set-variable]
 3607 |  unsigned int bus, target, lun;
      |                            ^~~
drivers/scsi/qla1280.c:3607:20: warning: variable ‘target’ set but not
used [-Wunused-but-set-variable]
 3607 |  unsigned int bus, target, lun;
      |                    ^~~~~~
drivers/scsi/qla1280.c:3607:15: warning: variable ‘bus’ set but not used
[-Wunused-but-set-variable]
 3607 |  unsigned int bus, target, lun;
      |               ^~~

Link: https://lore.kernel.org/r/20200907074518.2326360-5-yanaijie@huawei.comReported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla1280.c

@@ -3601,7 +3601,6 @@ static void
 qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt,
 		     struct list_head *done_q)
 {
-	unsigned int bus, target, lun;
 	int sense_sz;
 	struct srb *sp;
 	struct scsi_cmnd *cmd;
@@ -3627,11 +3626,6 @@ qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt,
 
 	cmd = sp->cmd;
 
-	/* Generate LU queue on cntrl, target, LUN */
-	bus = SCSI_BUS_32(cmd);
-	target = SCSI_TCN_32(cmd);
-	lun = SCSI_LUN_32(cmd);
-
 	if (comp_status || scsi_status) {
 		dprintk(3, "scsi: comp_status = 0x%x, scsi_status = "
 			"0x%x, handle = 0x%x\n", comp_status,
@@ -3670,7 +3664,8 @@ qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt,
 
 			dprintk(2, "qla1280_status_entry: Check "
 				"condition Sense data, b %i, t %i, "
-				"l %i\n", bus, target, lun);
+				"l %i\n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
+				SCSI_LUN_32(cmd));
 			if (sense_sz)
 				qla1280_dump_buffer(2,
 						    (char *)cmd->sense_buffer,