cxgb4: fix setting of the function number in transmit descriptors

Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cxgb4/sge.c b/drivers/net/cxgb4/sge.c
index 44c2e6c..6ddb3bb 100644
--- a/drivers/net/cxgb4/sge.c
+++ b/drivers/net/cxgb4/sge.c
@@ -975,7 +975,7 @@
 	}
 
 	cpl->ctrl0 = htonl(TXPKT_OPCODE(CPL_TX_PKT_XT) |
-			   TXPKT_INTF(pi->tx_chan) | TXPKT_PF(0));
+			   TXPKT_INTF(pi->tx_chan) | TXPKT_PF(adap->fn));
 	cpl->pack = htons(0);
 	cpl->len = htons(skb->len);
 	cpl->ctrl1 = cpu_to_be64(cntrl);