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| author | Jeff Garzik <jeff@garzik.org> | 2006-10-11 21:50:24 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-10-17 14:46:34 -0700 |
| commit | b3899dacafb10347b1b7a9f589b6c70cf8f08a3e (patch) | |
| tree | e160123cd2538fdf1a9391fd910a11d61d9e47c2 /drivers/usb/gadget/net2280.c | |
| parent | 5dfb5f1d060a6f7dfddb78dc59f9e4d299088cc1 (diff) | |
| download | linux-b3899dacafb10347b1b7a9f589b6c70cf8f08a3e.tar.gz linux-b3899dacafb10347b1b7a9f589b6c70cf8f08a3e.tar.bz2 linux-b3899dacafb10347b1b7a9f589b6c70cf8f08a3e.zip | |
USB/gadget/net2280: handle sysfs errors
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/net2280.c')
| -rw-r--r-- | drivers/usb/gadget/net2280.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index d954daa8e9e0..7cfe0e5cf670 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -2044,8 +2044,10 @@ int usb_gadget_register_driver (struct usb_gadget_driver *driver) return retval; } - device_create_file (&dev->pdev->dev, &dev_attr_function); - device_create_file (&dev->pdev->dev, &dev_attr_queues); + retval = device_create_file (&dev->pdev->dev, &dev_attr_function); + if (retval) goto err_unbind; + retval = device_create_file (&dev->pdev->dev, &dev_attr_queues); + if (retval) goto err_func; /* ... then enable host detection and ep0; and we're ready * for set_configuration as well as eventual disconnect. @@ -2060,6 +2062,14 @@ int usb_gadget_register_driver (struct usb_gadget_driver *driver) /* pci writes may still be posted */ return 0; + +err_func: + device_remove_file (&dev->pdev->dev, &dev_attr_function); +err_unbind: + driver->unbind (&dev->gadget); + dev->gadget.dev.driver = NULL; + dev->driver = NULL; + return retval; } EXPORT_SYMBOL (usb_gadget_register_driver); @@ -2974,8 +2984,10 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) : "disabled"); the_controller = dev; - device_register (&dev->gadget.dev); - device_create_file (&pdev->dev, &dev_attr_registers); + retval = device_register (&dev->gadget.dev); + if (retval) goto done; + retval = device_create_file (&pdev->dev, &dev_attr_registers); + if (retval) goto done; return 0; |