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pcihp: fix possible array out of bounds

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Prevent out-of-bounds array access on
acpi_pcihp_pci_status.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
This commit is contained in:
Gonglei 2014-08-20 13:52:30 +08:00 committed by Michael S. Tsirkin
parent 9f6b2f1c64
commit fa365d7cd1
1 changed files with 1 additions and 1 deletions
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2
hw/acpi/pcihp.c
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@ -231,7 +231,7 @@ static uint64_t pci_read(void *opaque, hwaddr addr, unsigned int size)
uint32_t val = 0;
int bsel = s->hotplug_select;
if (bsel < 0 || bsel > ACPI_PCIHP_MAX_HOTPLUG_BUS) {
if (bsel < 0 || bsel >= ACPI_PCIHP_MAX_HOTPLUG_BUS) {
return 0;
}