scsi: mpi3mr: Fix an issue found by KASAN

[ Upstream commit ae7d45f5283d30274039b95d3e6d53d33c66e991 ]

Write only correct size (32 instead of 64 bytes).

Link: https://lore.kernel.org/r/20230213193752.6859-1-thenzl@redhat.com
Fixes: 42fc9fee116f ("scsi: mpi3mr: Add helper functions to manage device's port")
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/scsi/mpi3mr/mpi3mr_transport.c b/drivers/scsi/mpi3mr/mpi3mr_transport.c
index 3fc8973..3b61815 100644 (file)
--- a/drivers/scsi/mpi3mr/mpi3mr_transport.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_transport.c
@@ -1280,7 +1280,7 @@ void mpi3mr_sas_host_add(struct mpi3mr_ioc *mrioc)
 
        if (mrioc->sas_hba.enclosure_handle) {
                if (!(mpi3mr_cfg_get_enclosure_pg0(mrioc, &ioc_status,
-                   &encl_pg0, sizeof(dev_pg0),
+                   &encl_pg0, sizeof(encl_pg0),
                    MPI3_ENCLOS_PGAD_FORM_HANDLE,
                    mrioc->sas_hba.enclosure_handle)) &&
                    (ioc_status == MPI3_IOCSTATUS_SUCCESS))