diff options
| -rw-r--r-- | src/devices/pci_ops.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/devices/pci_ops.c b/src/devices/pci_ops.c index a8f09e229d..412b0c5b4b 100644 --- a/src/devices/pci_ops.c +++ b/src/devices/pci_ops.c @@ -28,6 +28,12 @@ static struct bus *get_pbus(device_t dev) { struct bus *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 " + "bus with ops_pci_bus for %s, breaking out\n", + __func__, dev_path(dev)); + break; + } pbus = pbus->dev->bus; } if (!pbus || !pbus->dev || !pbus->dev->ops || !pbus->dev->ops->ops_pci_bus) { |