From: Rob Herring <r...@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-r...@kernel.org Signed-off-by: Rob Herring <r...@kernel.org> Signed-off-by: Bjorn Helgaas <bhelg...@google.com> Reviewed-by: Lorenzo Pieralisi <lorenzo.pieral...@arm.com> Reviewed-by: Arnd Bergmann <a...@arndb.de> Signed-off-by: Sasha Levin <sas...@kernel.org> --- 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 c7e3a8267521b..b59a4b0f5f162 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -909,9 +909,10 @@ 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); -- 2.25.1