[SCSI] iscsi_tcp, ib_iser Enable module refcounting for iscsi host template

This prevents the iscsi modules from being unloaded while
there are active mounts from an iscsi target.

Signed-off-by: Olaf Kirch <olaf.kirch@oracle.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 5db3143..bad8dac 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -548,6 +548,7 @@
 }
 
 static struct scsi_host_template iscsi_iser_sht = {
+	.module                 = THIS_MODULE,
 	.name                   = "iSCSI Initiator over iSER, v." DRV_VER,
 	.queuecommand           = iscsi_queuecommand,
 	.can_queue		= ISCSI_DEF_XMIT_CMDS_MAX - 1,