Re: [Qemu-devel] [PATCH] socket: dont't free msgfds if error equals EAGAIN

["Marc-André Lureau" <marcandre.lureau@gmail.com>]

Hi

On Tue, May 29, 2018 at 4:52 AM, linzhecheng <linzhecheng@huawei.com> wrote:
> Signed-off-by: linzhecheng <linzhecheng@huawei.com>
>
> diff --git a/chardev/char-socket.c b/chardev/char-socket.c
> index 159e69c3b1..17519ec589 100644
> --- a/chardev/char-socket.c
> +++ b/chardev/char-socket.c
> @@ -134,8 +134,8 @@ static int tcp_chr_write(Chardev *chr, const uint8_t *buf, int len)
>                                          s->write_msgfds,
>                                          s->write_msgfds_num);
>
> -        /* free the written msgfds, no matter what */
> -        if (s->write_msgfds_num) {
> +        /* free the written msgfds in any cases other than errno==EAGAIN */
> +        if (EAGAIN != errno && s->write_msgfds_num) {
>              g_free(s->write_msgfds);
>              s->write_msgfds = 0;
>              s->write_msgfds_num = 0;
> --

It is already fix since v2.12:

commit c863fdec6aff6b5a4ca8fff1537b80d9f8b97726
Author: Daniel P. Berrangé <berrange@redhat.com>
Date:   Thu Feb 22 12:13:51 2018 +0000

    chardev: fix handling of EAGAIN for TCP chardev

> 2.12.2.windows.2
>
>
>



-- 
Marc-André Lureau