[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v2] vga: avoid crash if no default vga card
From: |
Guo Zhi |
Subject: |
[PATCH v2] vga: avoid crash if no default vga card |
Date: |
Tue, 3 May 2022 19:37:24 +0800 |
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.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/978
Signed-off-by: Guo Zhi <qtxuning1999@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
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [PATCH v2] vga: avoid crash if no default vga card,
Guo Zhi <=