From f51750d5eab50f0db5396a5ca30d5bafc038c263 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 7 Nov 2005 17:06:33 +0000 Subject: [PATCH] [PATCH] libata: Note a nasty ATA quirk Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/scsi/libata-scsi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index bb30fcdc92..7e37f488f5 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -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; -- 2.39.5