rt2x00: Properly reserve room for descriptors in skbs.

Instead of fiddling with the skb->data pointer and thereby risking
out of bounds accesses, properly reserve the space needed in an
skb for descriptors.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index a7205c1..243df08 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2110,7 +2110,7 @@
 			__set_bit(TXDONE_UNKNOWN, &txdesc.flags);
 			txdesc.retry = 0;
 
-			rt2x00lib_txdone(entry_done, &txdesc);
+			rt2x00pci_txdone(entry_done, &txdesc);
 			entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 		}
 
@@ -2130,7 +2130,7 @@
 		}
 		txdesc.retry = rt2x00_get_field32(reg, STA_CSR4_RETRY_COUNT);
 
-		rt2x00lib_txdone(entry, &txdesc);
+		rt2x00pci_txdone(entry, &txdesc);
 	}
 }