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Diffstat (limited to 'src/devices/pci_ops.c')
-rw-r--r--src/devices/pci_ops.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/devices/pci_ops.c b/src/devices/pci_ops.c
index c6d85f284e..08792f209d 100644
--- a/src/devices/pci_ops.c
+++ b/src/devices/pci_ops.c
@@ -27,7 +27,13 @@
static struct bus *get_pbus(device_t dev)
{
- struct bus *pbus = dev->bus;
+ struct bus *pbus;
+
+ if (!dev)
+ printk_alert("get_pbus: dev is NULL!\n");
+
+ pbus = dev->bus;
+
while(pbus && pbus->dev && !ops_pci_bus(pbus)) {
if (pbus == pbus->dev->bus) {
printk_alert("%s in endless loop looking for a parent "