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-rw-r--r--hw/acpi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/acpi.c b/hw/acpi.c
index 9a69e7df1e..ad72297a94 100644
--- a/hw/acpi.c
+++ b/hw/acpi.c
@@ -437,7 +437,7 @@ static void pm_write_config(PCIDevice *d,
uint32_t address, uint32_t val, int len)
{
pci_default_write_config(d, address, val, len);
- if (address == 0x80)
+ if (range_covers_byte(address, len, 0x80))
pm_io_space_update((PIIX4PMState *)d);
}