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-rw-r--r--hw/pci/pci_host.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/pci/pci_host.c b/hw/pci/pci_host.c
index 77c7d1f86b..3e26f9256c 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);