All existing code using acpi_get_i386_pci_host() checks for a non-null
return from this function call. This change brings the same check to
acpi_pcihp_disable_root_bus() function.
Fixes: c0e427d6eb5fef ("hw/acpi/ich9: Enable ACPI PCI hot-plug")
Signed-off-by: Ani Sinha <ani@anisinha.ca>
---
hw/acpi/pcihp.c | 5 +++++
1 file changed, 5 insertions(+)
changelog:
v1: initial patch
v2: removed comment addition - that can be sent as a separate patch.
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index f4d706e47d..856c6e1b47 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -136,6 +136,11 @@ static void acpi_pcihp_disable_root_bus(void)
return;
}
+ if (!host) {
+ root_hp_disabled = true;
+ return;
+ }
+
bus = PCI_HOST_BRIDGE(host)->bus;
if (bus) {
/* setting the hotplug handler to NULL makes the bus non-hotpluggable */
--
2.25.1