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libata: cleanup ata_scsi_qc_complete

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Remove an incorrect comment and untangle an if statement in
ata_scsi_qc_complete.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Christoph Hellwig 2015-10-03 19:21:11 +02:00 committed by Tejun Heo
parent 8a3e33cf92
commit 25c7ce7f7b
1 changed files with 5 additions and 14 deletions
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19
drivers/ata/libata-scsi.c
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@ -1774,21 +1774,12 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
* asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE
*/
if (((cdb[0] == ATA_16) || (cdb[0] == ATA_12)) &&
((cdb[2] & 0x20) || need_sense)) {
((cdb[2] & 0x20) || need_sense))
ata_gen_passthru_sense(qc);
} else {
if (!need_sense) {
cmd->result = SAM_STAT_GOOD;
} else {
/* TODO: decide which descriptor format to use
* for 48b LBA devices and call that here
* instead of the fixed desc, which is only
* good for smaller LBA (and maybe CHS?)
* devices.
*/
ata_gen_ata_sense(qc);
}
}
else if (need_sense)
ata_gen_ata_sense(qc);
else
cmd->result = SAM_STAT_GOOD;
if (need_sense && !ap->ops->error_handler)
ata_dump_status(ap->print_id, &qc->result_tf);