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pata_ali: use atapi_cmd_type() to determine cmd type instead of transfer size

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pata_ali was using qc->nbytes to determine whether a command is
data transfer type or not.  As now qc->nbytes can be extended by
padding and draining buffers, these tests are not useful anymore.

Use atapi_cmd_type() instead.

Signed-off-by: Tejun Heo <[email protected]>
Cc: Alan Cox <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
Tejun Heo 2008-03-11 11:35:00 +09:00 • committed by Jeff Garzik
commit 4a38e733a7
1 changed files with 1 additions and 1 deletions
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2
drivers/ata/pata_ali.c
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@ -295,7 +295,7 @@ static void ali_lock_sectors(struct ata_device *adev)
static int ali_check_atapi_dma(struct ata_queued_cmd *qc)
{
/* If its not a media command, its not worth it */
if (qc->nbytes < 2048)
if (atapi_cmd_type(qc->cdb[0]) == ATAPI_MISC)
return -EOPNOTSUPP;
return 0;
}