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authorSamuel Ortiz <sameo@linux.intel.com>2012-10-16 15:04:10 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2012-10-26 18:26:51 +0200
commitb874dec21d1cb7a08fcbe4e442a789419dd1d51f (patch)
tree782bbf1e79f93396542b61181d0b8862bcc428a5 /net/nfc
parent94f418a206648c9be6fd84d6681d6956b8f8b106 (diff)
downloadlinux-b874dec21d1cb7a08fcbe4e442a789419dd1d51f.tar.gz
NFC: Implement LLCP connection less Tx path
It simply involves getting the client dsap and ssap and calling the UI frame building and sending routine. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/llcp/sock.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index d511a4c2fef..0fa1e92ceac 100644
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -608,6 +608,25 @@ static int llcp_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
lock_sock(sk);
+ if (sk->sk_type == SOCK_DGRAM) {
+ struct sockaddr_nfc_llcp *addr =
+ (struct sockaddr_nfc_llcp *)msg->msg_name;
+
+ if (msg->msg_namelen < sizeof(*addr)) {
+ release_sock(sk);
+
+ pr_err("Invalid socket address length %d\n",
+ msg->msg_namelen);
+
+ return -EINVAL;
+ }
+
+ release_sock(sk);
+
+ return nfc_llcp_send_ui_frame(llcp_sock, addr->dsap, addr->ssap,
+ msg, len);
+ }
+
if (sk->sk_state != LLCP_CONNECTED) {
release_sock(sk);
return -ENOTCONN;