atl1c: duplicate atl1c_get_tpd

remove duplicate atl1c_get_tpd, it may cause hardware to send wrong packets.
Signed-off-by: NJie Yang <jie.yang@atheros.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/atl1c/atl1c_main.c

@@ -1981,8 +1981,6 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
 		else {
 			use_tpd = atl1c_get_tpd(adapter, type);
 			memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc));
-			use_tpd = atl1c_get_tpd(adapter, type);
-			memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc));
 		}
 		buffer_info = atl1c_get_tx_buffer(adapter, use_tpd);
 		buffer_info->length = buf_len - mapped_len;