On 24.09.2015 13:37, marcandre.lur...@redhat.com wrote: > From: Marc-André Lureau <marcandre.lur...@redhat.com> > > The server should not change the shm, and this isn't handled by qemu.
"..., and we should verify this in QEMU?" > > Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> > --- > hw/misc/ivshmem.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c > index ea80548..21ef260 100644 > --- a/hw/misc/ivshmem.c > +++ b/hw/misc/ivshmem.c > @@ -533,6 +533,12 @@ static void ivshmem_read(void *opaque, const uint8_t > *buf, int size) > if (incoming_posn == -1) { > void * map_ptr; > > + if (s->shm_fd >= 0) { > + error_report("shm already initialized"); > + close(incoming_fd); > + return; > + } > + > if (check_shm_size(s, incoming_fd, &err) == -1) { > error_report_err(err); > close(incoming_fd); > Reviewed-by: Claudio Fontana <claudio.font...@huawei.com>