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SubjectRe: [RFC PATCH v1 1/2] vsock: send SIGPIPE on write to shutdowned socket
On Tue, Aug 01, 2023 at 05:17:26PM +0300, Arseniy Krasnov wrote:
>POSIX requires to send SIGPIPE on write to SOCK_STREAM socket which was
>shutdowned with SHUT_WR flag or its peer was shutdowned with SHUT_RD
>flag. Also we must not send SIGPIPE if MSG_NOSIGNAL flag is set.
>
>Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
>---
> net/vmw_vsock/af_vsock.c | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
>index 020cf17ab7e4..013b65241b65 100644
>--- a/net/vmw_vsock/af_vsock.c
>+++ b/net/vmw_vsock/af_vsock.c
>@@ -1921,6 +1921,9 @@ static int vsock_connectible_sendmsg(struct socket *sock, struct msghdr *msg,
> err = total_written;
> }
> out:
>+ if (sk->sk_type == SOCK_STREAM)
>+ err = sk_stream_error(sk, msg->msg_flags, err);

Do you know why we don't need this for SOCK_SEQPACKET and SOCK_DGRAM?

Thanks,
Stefano

>+
> release_sock(sk);
> return err;
> }
>--
>2.25.1
>

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