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qemu/softmmu
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Guo Zhi 6985d8ede9 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>
2022-06-28 10:43:05 +02:00
..
arch_init.c softmmu: Add qemu_init_arch_modules() 2022-03-06 13:15:42 +01:00
balloon.c
bootdevice.c machine: use QAPI struct for boot configuration 2022-05-12 12:29:43 +02:00
cpu-throttle.c Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
cpu-timers.c Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
cpus.c whpx: Added support for breakpoints and stepping 2022-04-06 14:31:55 +02:00
datadir.c Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
device_tree.c softmmu/device_tree: Remove redundant pointer assignment 2022-01-21 15:52:56 +10:00
dma-helpers.c Use g_new() & friends where that makes obvious sense 2022-03-21 15:44:44 +01:00
globals.c ui: Switch "-display sdl" to use the QAPI parser 2022-06-03 08:03:28 +02:00
icount.c replay: rewrite async event handling 2022-06-06 09:26:53 +02:00
ioport.c
main.c Simplify softmmu/main.c 2022-04-21 16:56:55 +04:00
memory_mapping.c Use g_new() & friends where that makes obvious sense 2022-03-21 15:44:44 +01:00
memory.c Replace TARGET_WORDS_BIGENDIAN 2022-04-06 10:50:37 +02:00
meson.build softmmu: Build target-agnostic objects once 2022-03-06 13:15:42 +01:00
physmem.c softmmu: Always initialize xlat in address_space_translate_for_iotlb 2022-06-21 09:26:16 -07:00
qdev-monitor.c qdev: unplug blocker for devices 2022-06-15 14:50:41 +01:00
qemu-seccomp.c seccomp: block setns, unshare and execveat syscalls 2022-02-16 18:52:40 +00:00
qtest.c Replace TARGET_WORDS_BIGENDIAN 2022-04-06 10:50:37 +02:00
rtc.c rtc: Move RTC function prototypes to their own header 2022-01-28 14:29:46 +00:00
runstate-action.c
runstate.c Remove qemu-common.h include from most units 2022-04-06 14:31:55 +02:00
timers-state.h
tpm.c
trace-events memory: make global_dirty_tracking a bitmask 2021-11-01 22:56:43 +01:00
trace.h
vl.c vga: avoid crash if no default vga card 2022-06-28 10:43:05 +02:00