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authorIsaku Yamahata <yamahata@valinux.co.jp>2010-08-04 17:43:20 +0900
committerBlue Swirl <blauwirbel@gmail.com>2010-08-28 08:50:40 +0000
commit02a89b219039621c940863aa5a9da4fec81a1546 (patch)
tree8d85bd478df1e828f4e73eaca7b01d166d825724 /hw/pc_piix.c
parent95c318f5e1f88d7e5bcc6deac17330fd4806a2d3 (diff)
isapc: fix segfault.
https://bugs.launchpad.net/bugs/611646 reports that ./i386-softmmu/qemu -M isapc segfaults. This patch fixes the segfault introduced by f885f1eaa8711c06033ceb1599e3750fb37c306f 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>
Diffstat (limited to 'hw/pc_piix.c')
-rw-r--r--hw/pc_piix.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 32a105736d..12359a75c9 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -104,6 +104,7 @@ static void pc_init1(ram_addr_t ram_size,
pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
} else {
pci_bus = NULL;
+ i440fx_state = NULL;
isa_bus_new(NULL);
}
isa_bus_irqs(isa_irq);