NFC: No need to apply twice the modulo op to LLCP's recv_n
recv_n is set properly when receiving an HDLC frame.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index d5e87c3..2cf01e6 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -428,7 +428,7 @@
static void nfc_llcp_set_nrns(struct nfc_llcp_sock *sock, struct sk_buff *pdu)
{
- pdu->data[2] = (sock->send_n << 4) | (sock->recv_n % 16);
+ pdu->data[2] = (sock->send_n << 4) | (sock->recv_n);
sock->send_n = (sock->send_n + 1) % 16;
sock->recv_ack_n = (sock->recv_n - 1) % 16;
}