The first patch ensure the reboot_time is never negative and second change the splash-time and reboot-timeout type to qemu_opt_get_number per Markus's advice:
https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg06975.html Li Qiang (2): hw: fw_cfg: ensure reboot_time is nonegative hw: fw_cfg: use qemu_opt_get_number to get splash-time and reboot-timeout hw/nvram/fw_cfg.c | 38 +++++++++++++++----------------------- vl.c | 4 ++-- 2 files changed, 17 insertions(+), 25 deletions(-) -- 1.8.3.1