[IrDA]: MSG_NOSIGNAL support for IrDA sockets

Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 9 deletions

diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 4c670cf6aefa..c80949a71923 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -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);
+
 }
 
 /*