ChangeSet 1.1123.18.5, 2003/08/11 15:12:27-07:00, oliver@neukum.org

[PATCH] USB: error check for claiming second interface in usbnet

  - fail if second interface is already claimed


 drivers/usb/net/usbnet.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletion(-)


diff -Nru a/drivers/usb/net/usbnet.c b/drivers/usb/net/usbnet.c
--- a/drivers/usb/net/usbnet.c	Fri Aug 15 10:47:58 2003
+++ b/drivers/usb/net/usbnet.c	Fri Aug 15 10:47:59 2003
@@ -600,7 +600,9 @@
 	/* claim data interface and set it up ... with side effects.
 	 * network traffic can't flow until an altsetting is enabled.
 	 */
-	usb_driver_claim_interface (&usbnet_driver, info->data, dev);
+	status = usb_driver_claim_interface (&usbnet_driver, info->data, dev);
+	if (status < 0)
+		return status;
 	status = get_endpoints (dev, info->data);
 	if (status < 0) {
 		usb_driver_release_interface (&usbnet_driver, info->data);