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[Qemu-devel] [PATCH 03/12] hw/pci/pci_host.c: Avoid shifting left into s
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 03/12] hw/pci/pci_host.c: Avoid shifting left into sign bit |
Date: |
Mon, 10 Mar 2014 19:10:39 +0000 |
Add U suffix to avoid undefined behaviour.
Signed-off-by: Peter Maydell <address@hidden>
---
hw/pci/pci_host.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/pci/pci_host.c b/hw/pci/pci_host.c
index 77c7d1f..2c17916 100644
--- a/hw/pci/pci_host.c
+++ b/hw/pci/pci_host.c
@@ -142,8 +142,9 @@ static uint64_t pci_host_data_read(void *opaque,
{
PCIHostState *s = opaque;
uint32_t val;
- if (!(s->config_reg & (1 << 31)))
+ if (!(s->config_reg & (1u << 31))) {
return 0xffffffff;
+ }
val = pci_data_read(s->bus, s->config_reg | (addr & 3), len);
PCI_DPRINTF("read addr " TARGET_FMT_plx " len %d val %x\n",
addr, len, val);
--
1.9.0
- [Qemu-devel] [PATCH 00/12] Avoid shifting left into sign bit, Peter Maydell, 2014/03/10
- [Qemu-devel] [PATCH 03/12] hw/pci/pci_host.c: Avoid shifting left into sign bit,
Peter Maydell <=
- [Qemu-devel] [PATCH 06/12] hw/usb/hcd-ohci.c: Avoid shifting left into sign bit, Peter Maydell, 2014/03/10
- [Qemu-devel] [PATCH 12/12] hw/pci-host/apb.c: Avoid shifting left into sign bit, Peter Maydell, 2014/03/10
- [Qemu-devel] [PATCH 08/12] hw/ppc: Avoid shifting left into sign bit, Peter Maydell, 2014/03/10
- [Qemu-devel] [PATCH 05/12] target-mips: Avoid shifting left into sign bit, Peter Maydell, 2014/03/10
- [Qemu-devel] [PATCH 04/12] hw/i386/acpi_build.c: Avoid shifting left into sign bit, Peter Maydell, 2014/03/10