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| author | Jeff Garzik <jeff@garzik.org> | 2007-05-25 04:39:39 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-05-25 04:39:39 -0400 |
| commit | 6c7b7d2b7615110edbc4ea7816831c13b0250ebb (patch) | |
| tree | 63c408afb9290dbcaac53f46f3c1b6b19910bc70 /drivers | |
| parent | ddfc87a098a0172ad13ce50edf55d5fe266f1352 (diff) | |
| download | talos-obmc-linux-6c7b7d2b7615110edbc4ea7816831c13b0250ebb.tar.gz talos-obmc-linux-6c7b7d2b7615110edbc4ea7816831c13b0250ebb.zip | |
[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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 242c43eef807..b3900cfbd880 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -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; |
