From: Stefano Garzarella <stefanogarzare...@gmail.com> 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.
Signed-off-by: Stefano Garzarella <sgarz...@redhat.com> --- subprojects/libvhost-user/libvhost-user.c | 1 + 1 file changed, 1 insertion(+) diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvhost-user/libvhost-user.c index a3b158c671..b9c18eee53 100644 --- a/subprojects/libvhost-user/libvhost-user.c +++ b/subprojects/libvhost-user/libvhost-user.c @@ -387,6 +387,7 @@ 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 { -- 2.43.2