diff options
| author | Mahesh Rajashekhara <mahesh.rajashekhara@microsemi.com> | 2016-09-16 14:54:23 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-09-19 11:54:14 -0400 |
| commit | abbada7175999fbd6500b8144e985b779588962f (patch) | |
| tree | 766cbe94e04543d5ca14321a5eebef5ee075910c /drivers/scsi/hpsa.c | |
| parent | 96c11dd2f0d76dc316d3810bfe824b12c70e4701 (diff) | |
| download | linux-abbada7175999fbd6500b8144e985b779588962f.tar.gz | |
scsi: hpsa: correct scsi 6byte lba calculation
Missing 5 bits of byte 1 in the LBA issued by SML. Reported-by: Mahesh Rajashekhara <mahesh.rajashekhara@microsemi.com> Reviewed-by: Scott Teel <scott.teel@microsemi.com> Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com> Signed-off-by: Mahesh Rajashekhara <mahesh.rajashekhara@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hpsa.c')
| -rw-r--r-- | drivers/scsi/hpsa.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index e5c02d7cb34b..261b9bba1f0f 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -4565,7 +4565,9 @@ static int fixup_ioaccel_cdb(u8 *cdb, int *cdb_len) case READ_6: case READ_12: if (*cdb_len == 6) { - block = get_unaligned_be16(&cdb[2]); + block = (((cdb[1] & 0x1F) << 16) | + (cdb[2] << 8) | + cdb[3]); block_cnt = cdb[4]; if (block_cnt == 0) block_cnt = 256; @@ -4725,9 +4727,11 @@ static void set_encrypt_ioaccel2(struct ctlr_info *h, */ switch (cmd->cmnd[0]) { /* Required? 6-byte cdbs eliminated by fixup_ioaccel_cdb */ - case WRITE_6: case READ_6: - first_block = get_unaligned_be16(&cmd->cmnd[2]); + case WRITE_6: + first_block = (((cmd->cmnd[1] & 0x1F) << 16) | + (cmd->cmnd[2] << 8) | + cmd->cmnd[3]); break; case WRITE_10: case READ_10: @@ -4977,7 +4981,9 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h, case WRITE_6: is_write = 1; case READ_6: - first_block = get_unaligned_be16(&cmd->cmnd[2]); + first_block = (((cmd->cmnd[1] & 0x1F) << 16) | + (cmd->cmnd[2] << 8) | + cmd->cmnd[3]); block_cnt = cmd->cmnd[4]; if (block_cnt == 0) block_cnt = 256; |