There was a down casting of the volume max LBA from a U64 to a U32,
which is taken out and now the max LBA is set appropriately to U64.

Signed-off-by: Sreekanth Reddy <sreekanth.re...@lsi.com>
---
 drivers/scsi/mpt2sas/mpt2sas_scsih.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c 
b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 6ae109b..4a0728a 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -3865,7 +3865,8 @@ _scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, 
struct scsi_cmnd *scmd,
        struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request,
        u16 smid)
 {
-       u32 v_lba, p_lba, stripe_off, stripe_unit, column, io_size;
+       u32 p_lba, stripe_off, stripe_unit, column, io_size;
+       u64 v_lba;
        u32 stripe_sz, stripe_exp;
        u8 num_pds, *cdb_ptr, i;
        u8 cdb0 = scmd->cmnd[0];
@@ -3882,12 +3883,17 @@ _scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, 
struct scsi_cmnd *scmd,
                        | cdb_ptr[5])) {
                        io_size = scsi_bufflen(scmd) >>
                            raid_device->block_exponent;
-                       i = (cdb0 < READ_16) ? 2 : 6;
+
                        /* get virtual lba */
-                       v_lba = be32_to_cpu(*(__be32 *)(&cdb_ptr[i]));
+                       if (cdb0 < READ_16)
+                               v_lba = be32_to_cpu(*(__be32 *)(&cdb_ptr[2]));
+                       else
+                               v_lba = be64_to_cpu(*(__be64 *)(&cdb_ptr[2]));
+
+                       i = (cdb0 < READ_16) ? 2 : 6;
 
                        if (((u64)v_lba + (u64)io_size - 1) <=
-                           (u32)raid_device->max_lba) {
+                               raid_device->max_lba) {
                                stripe_sz = raid_device->stripe_sz;
                                stripe_exp = raid_device->stripe_exponent;
                                stripe_off = v_lba & (stripe_sz - 1);
-- 
1.7.1

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