[SCSI] libiscsi: only check burst lengths when sending unsol data

The first burst length is only relevant if immedate data = Yes
or if Initial R2T is No

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index fb65311c81dd..864c6284e83c 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1593,7 +1593,8 @@ int iscsi_conn_start(struct iscsi_cls_conn *cls_conn)
                 return -EPERM;
         }
 
-        if (session->first_burst > session->max_burst) {
+        if ((session->imm_data_en || !session->initial_r2t_en) &&
+             session->first_burst > session->max_burst) {
                 printk("iscsi: invalid burst lengths: "
                        "first_burst %d max_burst %d\n",
                        session->first_burst, session->max_burst);