[PATCH] USB: usbnet, zaurus mtu fixup

This includes an MTU fixup which could affect larger packets with newer
Zaurii, described as http://bugzilla.kernel.org/show_bug.cgi?id=6286;
plus minor whitespace cleanup.
Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/net/zaurus.c

@@ -109,7 +109,7 @@ static const struct driver_info	zaurus_sl5x00_info = {
 	.check_connect = always_connected,
 	.bind =		zaurus_bind,
 	.unbind =	usbnet_cdc_unbind,
-	.tx_fixup = 	zaurus_tx_fixup,
+	.tx_fixup =	zaurus_tx_fixup,
 };
 #define	ZAURUS_STRONGARM_INFO	((unsigned long)&zaurus_sl5x00_info)
 
@@ -119,7 +119,7 @@ static const struct driver_info	zaurus_pxa_info = {
 	.check_connect = always_connected,
 	.bind =		zaurus_bind,
 	.unbind =	usbnet_cdc_unbind,
-	.tx_fixup = 	zaurus_tx_fixup,
+	.tx_fixup =	zaurus_tx_fixup,
 };
 #define	ZAURUS_PXA_INFO		((unsigned long)&zaurus_pxa_info)
 
@@ -129,7 +129,7 @@ static const struct driver_info	olympus_mxl_info = {
 	.check_connect = always_connected,
 	.bind =		zaurus_bind,
 	.unbind =	usbnet_cdc_unbind,
-	.tx_fixup = 	zaurus_tx_fixup,
+	.tx_fixup =	zaurus_tx_fixup,
 };
 #define	OLYMPUS_MXL_INFO	((unsigned long)&olympus_mxl_info)
 
@@ -228,6 +228,11 @@ static int blan_mdlm_bind(struct usbnet *dev, struct usb_interface *intf)
 						detail->bDetailData[2]);
 				goto bad_desc;
 			}
+
+			/* same extra framing as for non-BLAN mode */
+			dev->net->hard_header_len += 6;
+			dev->rx_urb_size = dev->net->hard_header_len
+					+ dev->net->mtu;
 			break;
 		}
 next_desc:
@@ -258,7 +263,7 @@ static const struct driver_info	bogus_mdlm_info = {
 	.description =	"pseudo-MDLM (BLAN) device",
 	.flags =	FLAG_FRAMING_Z,
 	.check_connect = always_connected,
-	.tx_fixup = 	zaurus_tx_fixup,
+	.tx_fixup =	zaurus_tx_fixup,
 	.bind =		blan_mdlm_bind,
 };
 
@@ -367,13 +372,13 @@ static struct usb_driver zaurus_driver = {
 
 static int __init zaurus_init(void)
 {
- 	return usb_register(&zaurus_driver);
+	return usb_register(&zaurus_driver);
 }
 module_init(zaurus_init);
 
 static void __exit zaurus_exit(void)
 {
- 	usb_deregister(&zaurus_driver);
+	usb_deregister(&zaurus_driver);
 }
 module_exit(zaurus_exit);