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PCI: Fix pci_register_host_bridge() device_register() error handling

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[ Upstream commit 1b54ae8327a4d630111c8d88ba7906483ec6010b ]

If device_register() has an error, we should bail out of
pci_register_host_bridge() rather than continuing on.

Fixes: 37d6a0a6f4 ("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>
This commit is contained in:
Rob Herring 2020-05-13 17:38:58 -05:00 • committed by Greg Kroah-Hartman
commit c7fab8a5c3
1 changed files with 3 additions and 2 deletions
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5
drivers/pci/probe.c
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@ -867,9 +867,10 @@ 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);