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[PATCH] libata: Note a nasty ATA quirk

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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Alan Cox 2005-11-07 17:06:33 +00:00 • committed by Jeff Garzik
parent 3b44f137b9
commit f51750d5ea
1 changed files with 2 additions and 0 deletions
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2
drivers/scsi/libata-scsi.c
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@ -1129,6 +1129,8 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm
* length 0 means transfer 0 block of data.
* However, for ATA R/W commands, sector count 0 means
* 256 or 65536 sectors, not 0 sectors as in SCSI.
*
* WARNING: one or two older ATA drives treat 0 as 0...
*/
goto nothing_to_do;