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| author | Samuel Ortiz <sameo@linux.intel.com> | 2012-03-05 01:03:37 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-03-06 15:16:20 -0500 |
| commit | 53a0ac2ee810cf82ec374b686a1dc3c32399265a (patch) | |
| tree | 59a6782f1cd8d6e3af315dc6980f858cedad4e44 /net/nfc/llcp/sock.c | |
| parent | 53aef92054e7fbffe66d3e2f95d122f39a33c211 (diff) | |
| download | linux-53a0ac2ee810cf82ec374b686a1dc3c32399265a.tar.gz linux-53a0ac2ee810cf82ec374b686a1dc3c32399265a.tar.xz linux-53a0ac2ee810cf82ec374b686a1dc3c32399265a.zip | |
NFC: LLCP socket sendmsg implemetation
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/nfc/llcp/sock.c')
| -rw-r--r-- | net/nfc/llcp/sock.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index f738ccd535f1..b8bef367ee49 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -482,6 +482,34 @@ error: return ret; } +static int llcp_sock_sendmsg(struct kiocb *iocb, struct socket *sock, + struct msghdr *msg, size_t len) +{ + struct sock *sk = sock->sk; + struct nfc_llcp_sock *llcp_sock = nfc_llcp_sock(sk); + int ret; + + pr_debug("sock %p sk %p", sock, sk); + + ret = sock_error(sk); + if (ret) + return ret; + + if (msg->msg_flags & MSG_OOB) + return -EOPNOTSUPP; + + lock_sock(sk); + + if (sk->sk_state != LLCP_CONNECTED) { + release_sock(sk); + return -ENOTCONN; + } + + release_sock(sk); + + return nfc_llcp_send_i_frame(llcp_sock, msg, len); +} + static int llcp_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len, int flags) { @@ -567,7 +595,7 @@ static const struct proto_ops llcp_sock_ops = { .shutdown = sock_no_shutdown, .setsockopt = sock_no_setsockopt, .getsockopt = sock_no_getsockopt, - .sendmsg = sock_no_sendmsg, + .sendmsg = llcp_sock_sendmsg, .recvmsg = llcp_sock_recvmsg, .mmap = sock_no_mmap, }; |