QEMU in some arch will crash when executing -vga help command, because there is no default vga model. Add check to this case and avoid crash.
Signed-off-by: Guo Zhi <qtxuning1...@sjtu.edu.cn> --- softmmu/vl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/softmmu/vl.c b/softmmu/vl.c index c2919579fd..a49e29312b 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -977,7 +977,8 @@ static void select_vgahw(const MachineClass *machine_class, const char *p) if (vga_interface_available(t) && ti->opt_name) { printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "", - g_str_equal(ti->opt_name, def) ? " (default)" : ""); + (def && g_str_equal(ti->opt_name, def)) ? + " (default)" : ""); } } exit(0); -- 2.35.1