Introduce an extra local variable to avoid that the
shifting in the for loop causes updates to msi/msix capability
registers to get lost in pci_default_write_config.
Signed-off-by: Knut Omang <knut.om...@oracle.com>
---
hw/pci/pci.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 6b21dee..af547dc 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -1146,9 +1146,10 @@ uint32_t pci_default_read_config(PCIDevice *d,
return le32_to_cpu(val);
}
-void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
+void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val_in,
int l)
{
int i, was_irq_disabled = pci_irq_disabled(d);
+ uint32_t val = val_in;
for (i = 0; i < l; val >>= 8, ++i) {
uint8_t wmask = d->wmask[addr + i];
@@ -1170,8 +1171,8 @@ void pci_default_write_config(PCIDevice *d, uint32_t
addr, uint32_t val, int l)
& PCI_COMMAND_MASTER);
}
- msi_write_config(d, addr, val, l);
- msix_write_config(d, addr, val, l);
+ msi_write_config(d, addr, val_in, l);
+ msix_write_config(d, addr, val_in, l);
}
/***********************************************************/
--
1.9.0
