From 8a3ef2a0c5598ebbbfb73b716e2425936e6851e6 Mon Sep 17 00:00:00 2001
From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Sun, 30 Oct 2011 15:16:52 +0100
Subject: [PATCH] --- yaml --- r: 272071 b: refs/heads/master c:
 dbdf1afcaaabe83dea15a3cb9b9013e73ae3b1ad h: refs/heads/master i:   272069:
 a8a5413582c2975c7068d12881b7ea70ed530c4d   272067:
 fed6ba6a55e04f4070f697e133da2ab190b8131d   272063:
 85aeef4b48490d269016e0ce7cf28432dce905db v: v3

---
 [refs]                            |  2 +-
 trunk/drivers/s390/cio/ccwgroup.c | 42 ++++++++++++++++---------------
 2 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/[refs] b/[refs]
index 2a0e6f2be032..2327925f3790 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d4e81b35b882d96f059afdb0f98e5b6025973b09
+refs/heads/master: dbdf1afcaaabe83dea15a3cb9b9013e73ae3b1ad
diff --git a/trunk/drivers/s390/cio/ccwgroup.c b/trunk/drivers/s390/cio/ccwgroup.c
index 5c567414c4bb..cda9bd6e48e8 100644
--- a/trunk/drivers/s390/cio/ccwgroup.c
+++ b/trunk/drivers/s390/cio/ccwgroup.c
@@ -87,6 +87,12 @@ static void __ccwgroup_remove_cdev_refs(struct ccwgroup_device *gdev)
 	}
 }
 
+static ssize_t ccwgroup_online_store(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf, size_t count);
+static ssize_t ccwgroup_online_show(struct device *dev,
+				    struct device_attribute *attr,
+				    char *buf);
 /*
  * Provide an 'ungroup' attribute so the user can remove group devices no
  * longer needed or accidentially created. Saves memory :)
@@ -134,6 +140,20 @@ ccwgroup_ungroup_store(struct device *dev, struct device_attribute *attr, const
 }
 
 static DEVICE_ATTR(ungroup, 0200, NULL, ccwgroup_ungroup_store);
+static DEVICE_ATTR(online, 0644, ccwgroup_online_show, ccwgroup_online_store);
+
+static struct attribute *ccwgroup_attrs[] = {
+	&dev_attr_online.attr,
+	&dev_attr_ungroup.attr,
+	NULL,
+};
+static struct attribute_group ccwgroup_attr_group = {
+	.attrs = ccwgroup_attrs,
+};
+static const struct attribute_group *ccwgroup_attr_groups[] = {
+	&ccwgroup_attr_group,
+	NULL,
+};
 
 static void
 ccwgroup_release (struct device *dev)
@@ -293,25 +313,17 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
 	}
 
 	dev_set_name(&gdev->dev, "%s", dev_name(&gdev->cdev[0]->dev));
-
+	gdev->dev.groups = ccwgroup_attr_groups;
 	rc = device_add(&gdev->dev);
 	if (rc)
 		goto error;
 	get_device(&gdev->dev);
-	rc = device_create_file(&gdev->dev, &dev_attr_ungroup);
-
-	if (rc) {
-		device_unregister(&gdev->dev);
-		goto error;
-	}
-
 	rc = __ccwgroup_create_symlinks(gdev);
 	if (!rc) {
 		mutex_unlock(&gdev->reg_mutex);
 		put_device(&gdev->dev);
 		return 0;
 	}
-	device_remove_file(&gdev->dev, &dev_attr_ungroup);
 	device_unregister(&gdev->dev);
 error:
 	for (i = 0; i < num_devices; i++)
@@ -423,7 +435,7 @@ ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const
 	int ret;
 
 	if (!dev->driver)
-		return -ENODEV;
+		return -EINVAL;
 
 	gdev = to_ccwgroupdev(dev);
 	gdrv = to_ccwgroupdrv(dev->driver);
@@ -456,8 +468,6 @@ ccwgroup_online_show (struct device *dev, struct device_attribute *attr, char *b
 	return sprintf(buf, online ? "1\n" : "0\n");
 }
 
-static DEVICE_ATTR(online, 0644, ccwgroup_online_show, ccwgroup_online_store);
-
 static int
 ccwgroup_probe (struct device *dev)
 {
@@ -469,12 +479,7 @@ ccwgroup_probe (struct device *dev)
 	gdev = to_ccwgroupdev(dev);
 	gdrv = to_ccwgroupdrv(dev->driver);
 
-	if ((ret = device_create_file(dev, &dev_attr_online)))
-		return ret;
-
 	ret = gdrv->probe ? gdrv->probe(gdev) : -ENODEV;
-	if (ret)
-		device_remove_file(dev, &dev_attr_online);
 
 	return ret;
 }
@@ -485,9 +490,6 @@ ccwgroup_remove (struct device *dev)
 	struct ccwgroup_device *gdev;
 	struct ccwgroup_driver *gdrv;
 
-	device_remove_file(dev, &dev_attr_online);
-	device_remove_file(dev, &dev_attr_ungroup);
-
 	if (!dev->driver)
 		return 0;