isapc: fix segfault.
https://bugs.launchpad.net/bugs/611646
reports that ./i386-softmmu/qemu -M isapc segfaults.
This patch fixes the segfault introduced by
f885f1eaa8
It's because i440fx_state in pc_init1() isn't initialized.
> Core was generated by `./i386-softmmu/qemu -M isapc'.
> Program terminated with signal 11, Segmentation fault.
> [New process 19686]
> at qemu/hw/piix_pci.c:136
> (gdb) where
> at qemu/hw/piix_pci.c:136
> boot_device=0x7fffe1f5b040 "cad", kernel_filename=0x0,
> kernel_cmdline=0x6469bf "", initrd_filename=0x0,
> cpu_model=0x654d10 "486", pci_enabled=0)
> at qemu/hw/pc_piix.c:178
> boot_device=0x7fffe1f5b040 "cad", kernel_filename=0x0,
> kernel_cmdline=0x6469bf "", initrd_filename=0x0, cpu_model=0x654d10 "486")
> at qemu/hw/pc_piix.c:207
> envp=0x7fffe1f5b188)
> at qemu/vl.c:2871
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
parent
95c318f5e1
commit
02a89b2190
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@ -104,6 +104,7 @@ static void pc_init1(ram_addr_t ram_size,
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pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
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} else {
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pci_bus = NULL;
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i440fx_state = NULL;
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isa_bus_new(NULL);
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}
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isa_bus_irqs(isa_irq);
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