redonkable/remarkable-linux
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[DECNET]: fix SIGPIPE

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Currently recvmsg generates SIGPIPE whereas sendmsg does not; for the
other stacks it seems to be the other way round!

It also fixes the bug where reading from a socket whose peer has shutdown
returned -EINVAL rather than 0.

Signed-off-by: Patrick Caulfield <patrick@tykepenguin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick Caulfield 2005-11-11 12:04:28 -08:00 committed by David S. Miller
parent 388f7ef720
commit 9eb5c94ef2
1 changed files with 7 additions and 7 deletions
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14
net/decnet/af_decnet.c
View file

@ -1664,17 +1664,15 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock,
goto out;
}
if (sk->sk_shutdown & RCV_SHUTDOWN) {
rv = 0;
goto out;
}
rv = dn_check_state(sk, NULL, 0, &timeo, flags);
if (rv)
goto out;
if (sk->sk_shutdown & RCV_SHUTDOWN) {
if (!(flags & MSG_NOSIGNAL))
send_sig(SIGPIPE, current, 0);
rv = -EPIPE;
goto out;
}
if (flags & ~(MSG_PEEK|MSG_OOB|MSG_WAITALL|MSG_DONTWAIT|MSG_NOSIGNAL)) {
rv = -EOPNOTSUPP;
goto out;
@ -1928,6 +1926,8 @@ static int dn_sendmsg(struct kiocb *iocb, struct socket *sock,
if (sk->sk_shutdown & SEND_SHUTDOWN) {
err = -EPIPE;
if (!(flags & MSG_NOSIGNAL))
send_sig(SIGPIPE, current, 0);
goto out_err;
}