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ata: libata-scsi: Simplify ata_scsi_mode_select_xlat()

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Use get_unaligned_be16() instead of using hardcoded accesses to
16-bits big endian cdb fields.

Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
This commit is contained in:
Damien Le Moal 2022-01-25 10:21:25 +09:00
parent 7fdbacfad7
commit 261e150799
1 changed files with 3 additions and 3 deletions
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6
drivers/ata/libata-scsi.c
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@ -3672,7 +3672,7 @@ static unsigned int ata_scsi_mode_select_xlat(struct ata_queued_cmd *qc)
goto invalid_fld;
}
len = (cdb[7] << 8) + cdb[8];
len = get_unaligned_be16(&cdb[7]);
hdr_len = 8;
}
@ -3698,7 +3698,7 @@ static unsigned int ata_scsi_mode_select_xlat(struct ata_queued_cmd *qc)
if (six_byte)
bd_len = p[3];
else
bd_len = (p[6] << 8) + p[7];
bd_len = get_unaligned_be16(&p[6]);
len -= hdr_len;
p += hdr_len;
@ -3722,7 +3722,7 @@ static unsigned int ata_scsi_mode_select_xlat(struct ata_queued_cmd *qc)
goto invalid_param_len;
spg = p[1];
pg_len = (p[2] << 8) | p[3];
pg_len = get_unaligned_be16(&p[2]);
p += 4;
len -= 4;
} else {