Move dereferencing of root only after verifying valid root pointer.
Signed-off-by: Saravanakumar <saravanakumar.pun...@gmail.com>
---
hw/pci/pci.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 22fe5ee..8d6a8d4 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -605,13 +605,13 @@ PCIBus *pci_get_bus_devfn(int *devfnp, PCIBus *root,
const char *devaddr)
int dom, bus;
unsigned slot;
- assert(!root->parent_dev);
-
if (!root) {
fprintf(stderr, "No primary PCI bus\n");
return NULL;
}
+ assert(!root->parent_dev);
+
if (!devaddr) {
*devfnp = -1;
return pci_find_bus_nr(root, 0);
--
1.7.6.5
