NFC: Call llcp_add_header properly when sending LLCP DM or DISC

dsap and ssap were swapped when sending DN or DISC.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/nfc/llcp/commands.c b/net/nfc/llcp/commands.c
index 34ee684..11a3b7d 100644
--- a/net/nfc/llcp/commands.c
+++ b/net/nfc/llcp/commands.c
@@ -248,7 +248,7 @@
 
 	skb_reserve(skb, dev->tx_headroom + NFC_HEADER_SIZE);
 
-	skb = llcp_add_header(skb, sock->ssap, sock->dsap, LLCP_PDU_DISC);
+	skb = llcp_add_header(skb, sock->dsap, sock->ssap, LLCP_PDU_DISC);
 
 	skb_queue_tail(&local->tx_queue, skb);
 
@@ -416,7 +416,7 @@
 
 	skb_reserve(skb, dev->tx_headroom + NFC_HEADER_SIZE);
 
-	skb = llcp_add_header(skb, ssap, dsap, LLCP_PDU_DM);
+	skb = llcp_add_header(skb, dsap, ssap, LLCP_PDU_DM);
 
 	memcpy(skb_put(skb, 1), &reason, 1);