diff options
| -rw-r--r-- | drivers/pci/probe.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 80dcfb72ea12..d9c2e51cbf8c 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1171,7 +1171,10 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent, add_dev: pci_set_bus_msi_domain(child); ret = device_register(&child->dev); - WARN_ON(ret < 0); + if (WARN_ON(ret < 0)) { + put_device(&child->dev); + return NULL; + } pcibios_add_bus(child); |