[SCSI] Fix printing of variable length commands

We dereferenced the MAINTENANCE IN array when decoding variable length
commands.  Use the right array.  Also consolidate identical if
statements below.
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: NJames Bottomley <James.Bottomley@suse.de>

drivers/scsi/constants.c

@@ -219,18 +219,15 @@ static void print_opcode_name(unsigned char * cdbp, int cdb_len)
 			break;
 		}
 		sa = (cdbp[8] << 8) + cdbp[9];
-		name = get_sa_name(maint_in_arr, MAINT_IN_SZ, sa);
-		if (name) {
+		name = get_sa_name(variable_length_arr, VARIABLE_LENGTH_SZ, sa);
+		if (name)
 			printk("%s", name);
-			if ((cdb_len > 0) && (len != cdb_len))
-				printk(", in_cdb_len=%d, ext_len=%d",
-				       len, cdb_len);
-		} else {
+		else
 			printk("cdb[0]=0x%x, sa=0x%x", cdb0, sa);
-			if ((cdb_len > 0) && (len != cdb_len))
-				printk(", in_cdb_len=%d, ext_len=%d",
-				       len, cdb_len);
-		}
+
+		if ((cdb_len > 0) && (len != cdb_len))
+			printk(", in_cdb_len=%d, ext_len=%d", len, cdb_len);
+
 		break;
 	case MAINTENANCE_IN:
 		sa = cdbp[1] & 0x1f;