[SCSI] be2iscsi: Limit max_xmit_length

This patch limits max_xmit_length to 64K incase older
utilities are used

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index de79b7cf804d..a131a576a102 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -277,6 +277,10 @@ int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
                 if (session->max_burst > 262144)
                         session->max_burst = 262144;
                 break;
+        case ISCSI_PARAM_MAX_XMIT_DLENGTH:
+                if ((conn->max_xmit_dlength > 65536) ||
+                    (conn->max_xmit_dlength == 0))
+                        conn->max_xmit_dlength = 65536;
         default:
                 return 0;
         }