From: Chandra Seetharaman <sekharan@us.ibm.com>
Date: Fri, 11 Sep 2009 17:20:35 +0000 (-0700)
Subject: [SCSI] scsi_dh: create sysfs file, dh_state for all SCSI disk devices
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5917290ce9b376866b165d02a5ed88d5ecdb32d0;p=linux-beck.git

[SCSI] scsi_dh: create sysfs file, dh_state for all SCSI disk devices

Create the sysfs file, dh_state even if the new SCSI device is not
in the any of the device handler's internal lists.

Signed-Off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---

diff --git a/drivers/scsi/device_handler/scsi_dh.c b/drivers/scsi/device_handler/scsi_dh.c
index 6f7f798910e8..e19a1a55270c 100644
--- a/drivers/scsi/device_handler/scsi_dh.c
+++ b/drivers/scsi/device_handler/scsi_dh.c
@@ -304,18 +304,15 @@ static int scsi_dh_notifier(struct notifier_block *nb,
 	sdev = to_scsi_device(dev);
 
 	if (action == BUS_NOTIFY_ADD_DEVICE) {
+		err = device_create_file(dev, &scsi_dh_state_attr);
+		/* don't care about err */
 		devinfo = device_handler_match(NULL, sdev);
-		if (!devinfo)
-			goto out;
-
-		err = scsi_dh_handler_attach(sdev, devinfo);
-		if (!err)
-			err = device_create_file(dev, &scsi_dh_state_attr);
+		if (devinfo)
+			err = scsi_dh_handler_attach(sdev, devinfo);
 	} else if (action == BUS_NOTIFY_DEL_DEVICE) {
 		device_remove_file(dev, &scsi_dh_state_attr);
 		scsi_dh_handler_detach(sdev, NULL);
 	}
-out:
 	return err;
 }