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[Qemu-trivial] [PATCH 04/12] hw/i386/acpi_build.c: Avoid shifting left i


From: Peter Maydell
Subject: [Qemu-trivial] [PATCH 04/12] hw/i386/acpi_build.c: Avoid shifting left into sign bit
Date: Mon, 10 Mar 2014 19:10:40 +0000

Add U suffix to avoid undefined behaviour.

Signed-off-by: Peter Maydell <address@hidden>
---
 hw/i386/acpi-build.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index b1a7ebb..46d4e60 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -813,7 +813,7 @@ 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));
-- 
1.9.0




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