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(parent: ad4c7f5) | patch
vga: avoid crash if no default vga card
authorGuo Zhi <qtxuning1999@sjtu.edu.cn>
Tue, 3 May 2022 09:17:24 +0000 (17:17 +0800)
committerLaurent Vivier <laurent@vivier.eu>
Tue, 28 Jun 2022 08:43:05 +0000 (10:43 +0200)
commit6985d8ede92494f3b791de01e8ee9306eb6d5e4a
treee4a75f82828608be40fa42d693105c3899e8ab9dtree
parentad4c7f529a279685da84297773b4ec8080153c2dcommit | diff
vga: avoid crash if no default vga card

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>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220503091724.970009-1-qtxuning1999@sjtu.edu.cn>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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