[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>

2 files changed, 12 insertions, 4 deletions

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 112ab6abe62b..24271a871b8c 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -345,6 +345,12 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
         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
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index daed37df00b1..d531ceeb0d8c 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -209,11 +209,13 @@ show_shost_mode(unsigned int mode, char *buf)
 static ssize_t show_shost_supported_mode(struct class_device *class_dev, char *buf)
 {
         struct Scsi_Host *shost = class_to_shost(class_dev);
+        unsigned int supported_mode = shost->hostt->supported_mode;
 
-        if (shost->hostt->supported_mode == MODE_UNKNOWN)
-                return snprintf(buf, 20, "unknown\n");
-        else
-                return show_shost_mode(shost->hostt->supported_mode, buf);
+        if (supported_mode == MODE_UNKNOWN)
+                /* by default this should be initiator */
+                supported_mode = MODE_INITIATOR;
+
+        return show_shost_mode(supported_mode, buf);
 }
 
 static CLASS_DEVICE_ATTR(supported_mode, S_IRUGO | S_IWUSR, show_shost_supported_mode, NULL);