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[IrDA]: MSG_NOSIGNAL support for IrDA sockets 

Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Samuel Ortiz 2007-08-28 15:57:12 -07:00 committed by David S. Miller
parent 172589ccdd
commit bcb5e0eef3
1 changed files with 12 additions and 9 deletions
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21
net/irda/af_irda.c
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@ -1245,18 +1245,17 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock,
struct sock *sk = sock->sk;
struct irda_sock *self;
struct sk_buff *skb;
int err;
int err = -EPIPE;
IRDA_DEBUG(4, "%s(), len=%zd\n", __FUNCTION__, len);
/* Note : socket.c set MSG_EOR on SEQPACKET sockets */
if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT))
if (msg->msg_flags & ~(MSG_DONTWAIT | MSG_EOR | MSG_CMSG_COMPAT |
MSG_NOSIGNAL))
return -EINVAL;
if (sk->sk_shutdown & SEND_SHUTDOWN) {
send_sig(SIGPIPE, current, 0);
return -EPIPE;
}
if (sk->sk_shutdown & SEND_SHUTDOWN)
goto out_err;
if (sk->sk_state != TCP_ESTABLISHED)
return -ENOTCONN;
@ -1283,7 +1282,7 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock,
skb = sock_alloc_send_skb(sk, len + self->max_header_size + 16,
msg->msg_flags & MSG_DONTWAIT, &err);
if (!skb)
return -ENOBUFS;
goto out_err;
skb_reserve(skb, self->max_header_size + 16);
skb_reset_transport_header(skb);
@ -1291,7 +1290,7 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock,
err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
if (err) {
kfree_skb(skb);
return err;
goto out_err;
}
/*
@ -1301,10 +1300,14 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock,
err = irttp_data_request(self->tsap, skb);
if (err) {
IRDA_DEBUG(0, "%s(), err=%d\n", __FUNCTION__, err);
return err;
goto out_err;
}
/* Tell client how much data we actually sent */
return len;
out_err:
return sk_stream_error(sk, msg->msg_flags, err);
}
/*