evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

[libata] Fix decoding of 6-byte commands

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/ata/libata-scsi.c
View file

@ -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) static void scsi_6_lba_len(const u8 *cdb, u64 *plba, u32 *plen)
{ {
u64 lba = 0; u64 lba = 0;
u32 len = 0; u32 len;
VPRINTK("six-byte command\n"); VPRINTK("six-byte command\n");
lba |= ((u64)(cdb[1] & 0x1f)) << 16;
lba |= ((u64)cdb[2]) << 8; lba |= ((u64)cdb[2]) << 8;
lba |= ((u64)cdb[3]); lba |= ((u64)cdb[3]);
len |= ((u32)cdb[4]); len = cdb[4];
*plba = lba; *plba = lba;
*plen = len; *plen = len;