NFC: Set the right LLCP N(R) value for I frames

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 577bcb92ea9bd8f735e362c70bc2bd312f9b2e43..2506810cd780ed8f8e1e626a04743784a664e2da 100644 (file)
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -419,7 +419,7 @@ static u8 nfc_llcp_nr(struct sk_buff *pdu)
 
 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 - 1) % 16);
+       pdu->data[2] = (sock->send_n << 4) | (sock->recv_n % 16);
        sock->send_n = (sock->send_n + 1) % 16;
        sock->recv_ack_n = (sock->recv_n - 1) % 16;
 }