Otherwise the guest can crash qemu (NULL pointer dereference).
https://bugzilla.redhat.com/show_bug.cgi?id=947691
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
hw/acpi/core.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/acpi/core.c b/hw/acpi/core.c
index 64b8718..42eeace 100644
--- a/hw/acpi/core.c
+++ b/hw/acpi/core.c
@@ -462,8 +462,15 @@ static uint64_t acpi_pm_tmr_read(void *opaque, hwaddr
addr, unsigned width)
return acpi_pm_tmr_get(opaque);
}
+static void acpi_pm_tmr_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned width)
+{
+ /* nothing */
+}
+
static const MemoryRegionOps acpi_pm_tmr_ops = {
.read = acpi_pm_tmr_read,
+ .write = acpi_pm_tmr_write,
.valid.min_access_size = 4,
.valid.max_access_size = 4,
.endianness = DEVICE_LITTLE_ENDIAN,
--
1.7.9.7
