From: Jayamohan Kallickal <jayamohank@serverengines.com>
Date: Wed, 21 Jul 2010 22:56:45 +0000 (+0530)
Subject: [SCSI] be2iscsi: Limit max_xmit_length
X-Git-Tag: firefly_0821_release~9833^2~1305^2~86
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=42f43c419e1881b543faf20182cad0f789b73d2f;p=firefly-linux-kernel-4.4.55.git

[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>
---

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;
 	}