rt2x00: Correctly initialize data and desc pointer

rt2500usb and rt73usb store the descriptor in different
places. This means we should move the initialization of
the 2 pointers to the driver callback function fill_rxdone().

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 78217dc..47ed307 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1376,6 +1376,7 @@
 static void rt73usb_fill_rxdone(struct data_entry *entry,
 			        struct rxdata_entry_desc *desc)
 {
+	struct skb_desc *skbdesc = get_skb_desc(entry->skb);
 	__le32 *rxd = (__le32 *)entry->skb->data;
 	u32 word0;
 	u32 word1;
@@ -1400,6 +1401,12 @@
 	 * Pull the skb to clear the descriptor area.
 	 */
 	skb_pull(entry->skb, entry->ring->desc_size);
+
+	/*
+	 * Set descriptor and data pointer.
+	 */
+	skbdesc->desc = entry->skb->data - skbdesc->desc_len;
+	skbdesc->data = entry->skb->data;
 }
 
 /*