avf: don't memcpy if adminq output buffer size is 0
Type: fix
@@ -485,7 +485,7 @@ retry:
goto done;
}
- if (d->flags & AVF_AQ_F_BUF)
+ if (out_len && d->flags & AVF_AQ_F_BUF)
{
void *buf = ad->arq_bufs + ad->arq_next_slot * AVF_MBOX_BUF_SZ;
clib_memcpy_fast (out, buf, out_len);
