NFC: LLCP connect must wait for a CC frame
Blocking sockets should sleep on a CC (Connection Complete) reception
from the connect() call.
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 92988aa..42994fa 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -448,6 +448,8 @@
{
struct nfc_llcp_sock *sock, *llcp_sock, *n;
+ pr_debug("ssap dsap %d %d\n", ssap, dsap);
+
if (ssap == 0 && dsap == 0)
return NULL;
@@ -783,6 +785,7 @@
static void nfc_llcp_recv_cc(struct nfc_llcp_local *local, struct sk_buff *skb)
{
struct nfc_llcp_sock *llcp_sock;
+ struct sock *sk;
u8 dsap, ssap;
dsap = nfc_llcp_dsap(skb);
@@ -801,10 +804,14 @@
}
llcp_sock->dsap = ssap;
+ sk = &llcp_sock->sk;
nfc_llcp_parse_tlv(local, &skb->data[LLCP_HEADER_SIZE],
skb->len - LLCP_HEADER_SIZE);
+ sk->sk_state = LLCP_CONNECTED;
+ sk->sk_state_change(sk);
+
nfc_llcp_sock_put(llcp_sock);
}