From: Rob Herring robh@kernel.org
[ Upstream commit 1b54ae8327a4d630111c8d88ba7906483ec6010b ]
If device_register() has an error, we should bail out of pci_register_host_bridge() rather than continuing on.
Fixes: 37d6a0a6f470 ("PCI: Add pci_register_host_bridge() interface") Link: https://lore.kernel.org/r/20200513223859.11295-1-robh@kernel.org Signed-off-by: Rob Herring robh@kernel.org Signed-off-by: Bjorn Helgaas bhelgaas@google.com Reviewed-by: Lorenzo Pieralisi lorenzo.pieralisi@arm.com Reviewed-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/pci/probe.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 9d9eb66a7e1e..43d48e77ab16 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -870,9 +870,10 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge) goto free;
err = device_register(&bridge->dev); - if (err) + if (err) { put_device(&bridge->dev); - + goto free; + } bus->bridge = get_device(&bridge->dev); device_enable_async_suspend(bus->bridge); pci_set_bus_of_node(bus);