This patch (as800) straightens out the USB endpoint class device
creation routine, fixing a refcount bug in the process.
Signed-off-by: Alan Stern <[EMAIL PROTECTED]>
---
Index: usb-2.6/drivers/usb/core/endpoint.c
===================================================================
--- usb-2.6.orig/drivers/usb/core/endpoint.c
+++ usb-2.6/drivers/usb/core/endpoint.c
@@ -223,7 +223,7 @@ int usb_create_ep_files(struct device *p
ep_dev = kzalloc(sizeof(*ep_dev), GFP_KERNEL);
if (!ep_dev) {
retval = -ENOMEM;
- goto exit;
+ goto error_alloc;
}
/* fun calculation to determine the minor of this endpoint */
@@ -241,33 +241,31 @@ int usb_create_ep_files(struct device *p
retval = device_register(&ep_dev->dev);
if (retval)
- goto error;
+ goto error_register;
retval = sysfs_create_group(&ep_dev->dev.kobj, &ep_dev_attr_grp);
if (retval)
goto error_group;
- endpoint->ep_dev = ep_dev;
-
/* create the symlink to the old-style "ep_XX" directory */
sprintf(name, "ep_%02x", endpoint->desc.bEndpointAddress);
- retval = sysfs_create_link(&parent->kobj,
- &endpoint->ep_dev->dev.kobj, name);
+ retval = sysfs_create_link(&parent->kobj, &ep_dev->dev.kobj, name);
if (retval)
goto error_link;
-exit:
+ endpoint->ep_dev = ep_dev;
return retval;
error_link:
sysfs_remove_group(&ep_dev->dev.kobj, &ep_dev_attr_grp);
-
error_group:
device_unregister(&ep_dev->dev);
- endpoint->ep_dev = NULL;
destroy_endpoint_class();
return retval;
-error:
+
+error_register:
kfree(ep_dev);
+error_alloc:
destroy_endpoint_class();
+exit:
return retval;
}
-------------------------------------------------------------------------
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT & business topics through brief surveys -- and earn cash
http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV
_______________________________________________
linux-usb-devel@lists.sourceforge.net
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
