diff options
| author | Stefano Garzarella <sgarzare@redhat.com> | 2024-06-18 12:00:32 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2024-07-02 09:27:56 -0400 |
| commit | 516dfbb783484959cf33f051864f2e44cbed45ca (patch) | |
| tree | 845413291cd7d74d643a28a08db30e22eaa98f2f /subprojects | |
| parent | 0aa7f10c7af222a32e49e38df8383e394a0aa5c3 (diff) | |
libvhost-user: set msg.msg_control to NULL when it is empty
On some OS (e.g. macOS) sendmsg() returns -1 (errno EINVAL) if
the `struct msghdr` has the field `msg_controllen` set to 0, but
`msg_control` is not NULL.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20240618100043.144657-3-sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'subprojects')
| -rw-r--r-- | subprojects/libvhost-user/libvhost-user.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvhost-user/libvhost-user.c index 8adb277d54..53bf1adda6 100644 --- a/subprojects/libvhost-user/libvhost-user.c +++ b/subprojects/libvhost-user/libvhost-user.c @@ -632,6 +632,7 @@ vu_message_write(VuDev *dev, int conn_fd, VhostUserMsg *vmsg) memcpy(CMSG_DATA(cmsg), vmsg->fds, fdsize); } else { msg.msg_controllen = 0; + msg.msg_control = NULL; } do { |