[3/9] driver core fixes: sysfs_create_link() retval check in class.c

[Cornelia Huck <cornelia.huck@de.ibm.com>]

From: Cornelia Huck <cornelia.huck@de.ibm.com>

Check for return value of sysfs_create_link() in class_device_add().

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>

---
 drivers/base/class.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- linux-2.6-CH.orig/drivers/base/class.c
+++ linux-2.6-CH/drivers/base/class.c
@@ -602,7 +602,10 @@ int class_device_add(struct class_device
 		goto out2;
 
 	/* add the needed attributes to this device */
-	sysfs_create_link(&class_dev->kobj, &parent_class->subsys.kset.kobj, "subsystem");
+	error = sysfs_create_link(&class_dev->kobj,
+				  &parent_class->subsys.kset.kobj, "subsystem");
+	if (error)
+		goto out3;
 	class_dev->uevent_attr.attr.name = "uevent";
 	class_dev->uevent_attr.attr.mode = S_IWUSR;
 	class_dev->uevent_attr.attr.owner = parent_class->owner;
-
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