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scsi: hpsa: correct scsi 6byte lba calculation

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Missing 5 bits of byte 1 in the LBA issued by SML.

Reported-by: Mahesh Rajashekhara <[email protected]>
Reviewed-by: Scott Teel <[email protected]>
Reviewed-by: Kevin Barnett <[email protected]>
Signed-off-by: Mahesh Rajashekhara <[email protected]>
Signed-off-by: Don Brace <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
This commit is contained in:
Mahesh Rajashekhara 2016-09-16 14:54:23 -05:00 • committed by Martin K. Petersen
commit abbada7175
1 changed files with 10 additions and 4 deletions
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14
drivers/scsi/hpsa.c
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@ -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;