[SCSI] make supported_mode default to initiator.

if shost->supported mode is zero (i.e. MODE_UNKNOWN) show it as
initiator (it's obviously an unconverted driver that won't do target).

Acked-by: FUJITA Tomonori <tomof@acm.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 112ab6a..24271a8 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -345,6 +345,12 @@
 	shost->active_mode = sht->supported_mode;
 	shost->use_sg_chaining = sht->use_sg_chaining;
 
+	if (sht->supported_mode == MODE_UNKNOWN)
+		/* means we didn't set it ... default to INITIATOR */
+		shost->active_mode = MODE_INITIATOR;
+	else
+		shost->active_mode = sht->supported_mode;
+
 	if (sht->max_host_blocked)
 		shost->max_host_blocked = sht->max_host_blocked;
 	else