commit c6f16471959e49db40a41371134240a8bd464450
author Igor Mammedov <imammedo@redhat.com> Thu Jan 12 15:03:02 2023 +0100
committer Michael S. Tsirkin <mst@redhat.com> Sat Jan 28 06:21:29 2023 -0500
tree 29dcb1cd38492e93e02624634012973baf9d0440
parent 6c36ec46b0d28f682eed1ce1278989535c1307dc

pci: make sure pci_bus_is_express() won't error out with "discards ‘const’ qualifier"

function doesn't need RW aceess to passed in bus pointer,
make it const.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230112140312.3096331-31-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

hw/pci/pci.c

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 39a7bb3..208c16f4 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -483,7 +483,7 @@
     pci_host_bus_unregister(BUS(bus)->parent);
 }
 
-bool pci_bus_is_express(PCIBus *bus)
+bool pci_bus_is_express(const PCIBus *bus)
 {
     return object_dynamic_cast(OBJECT(bus), TYPE_PCIE_BUS);
 }

include/hw/pci/pci.h

diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 85ee458..d5a40cd 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -270,7 +270,7 @@
 typedef void (*pci_bus_fn)(PCIBus *b, void *opaque);
 typedef void *(*pci_bus_ret_fn)(PCIBus *b, void *opaque);
 
-bool pci_bus_is_express(PCIBus *bus);
+bool pci_bus_is_express(const PCIBus *bus);
 
 void pci_root_bus_init(PCIBus *bus, size_t bus_size, DeviceState *parent,
                        const char *name,