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[libata] Fix decoding of 6-byte commands 

The code for parsing 6-byte SCSI command LBAs
missed the top 5 bits (the MSB).

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik 2007-05-25 04:39:39 -04:00
parent ddfc87a098
commit 6c7b7d2b76
1 changed files with 3 additions and 2 deletions
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5
drivers/ata/libata-scsi.c
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@ -1050,14 +1050,15 @@ static unsigned int ata_scsi_flush_xlat(struct ata_queued_cmd *qc)
static void scsi_6_lba_len(const u8 *cdb, u64 *plba, u32 *plen)
{
u64 lba = 0;
u32 len = 0;
u32 len;
VPRINTK("six-byte command\n");
lba |= ((u64)(cdb[1] & 0x1f)) << 16;
lba |= ((u64)cdb[2]) << 8;
lba |= ((u64)cdb[3]);
len |= ((u32)cdb[4]);
len = cdb[4];
*plba = lba;
*plen = len;