From: kevin Barnett <kevin.barn...@microsemi.com>
In the ioaccel path, the calculation of the starting
LBA for READ(6)/WRITE(6) SCSI commands does not take
into account the most significant 5 bits of the
LBA: it only uses the least significant 16 bits of
the starting LBA.
Reported-by: Mahesh Rajashekhara <mahesh.rajashekh...@microsemi.com>
Signed-off-by: Kevin Barnett <kevin.barn...@microsemi.com>
Signed-off-by: Don Brace <don.br...@microsemi.com>
---
drivers/scsi/smartpqi/smartpqi_init.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c
b/drivers/scsi/smartpqi/smartpqi_init.c
index 52cfa26..a535b26 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -1954,7 +1954,8 @@ static int pqi_raid_bypass_submit_scsi_cmd(struct
pqi_ctrl_info *ctrl_info,
is_write = true;
/* fall through */
case READ_6:
- first_block = (u64)get_unaligned_be16(&scmd->cmnd[2]);
+ first_block = (u64)(((scmd->cmnd[1] & 0x1f) << 16) |
+ (scmd->cmnd[2] << 8) | scmd->cmnd[3]);
block_cnt = (u32)scmd->cmnd[4];
if (block_cnt == 0)
block_cnt = 256;
--
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