hw/i386/acpi_build.c: Avoid shifting left into sign bit

Add U suffix to avoid undefined behaviour.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Peter Maydell 2014-03-17 16:00:33 +00:00 committed by Michael Tokarev
parent ac43fa508c
commit d9631b90da

View file

@ -907,7 +907,7 @@ static void build_pci_bus_end(PCIBus *bus, void *bus_state)
build_append_byte(notify, 0x7B); /* AndOp */
build_append_byte(notify, 0x68); /* Arg0Op */
build_append_int(notify, 0x1 << i);
build_append_int(notify, 0x1U << i);
build_append_byte(notify, 0x00); /* NullName */
build_append_byte(notify, 0x86); /* NotifyOp */
build_append_nameseg(notify, "S%.02X_", PCI_DEVFN(i, 0));