scsi: hisi_sas: consolidate command check in hisi_sas_get_ata_protocol()

Currently we check the fis->command value in 2 locations in
hisi_sas_get_ata_protocol() switch statement. Fix this by consolidating
the check for fis->command value to 1 location only.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/hisi_sas/hisi_sas_main.c

@@ -78,9 +78,8 @@ u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction)
 	case ATA_CMD_STANDBYNOW1:
 	case ATA_CMD_ZAC_MGMT_OUT:
 		return HISI_SAS_SATA_PROTOCOL_NONDATA;
-	default:
-	{
-		if (fis->command == ATA_CMD_SET_MAX) {
+
+	case ATA_CMD_SET_MAX:
 		switch (fis->features) {
 		case ATA_SET_MAX_PASSWD:
 		case ATA_SET_MAX_LOCK:
@@ -93,7 +92,9 @@ u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction)
 		default:
 			return HISI_SAS_SATA_PROTOCOL_NONDATA;
 		}
-		}
+
+	default:
+	{
 		if (direction == DMA_NONE)
 			return HISI_SAS_SATA_PROTOCOL_NONDATA;
 		return HISI_SAS_SATA_PROTOCOL_PIO;