From: kevin Barnett <kevin.barn...@microsemi.com>

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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