Re: [PATCH 1/2] PCI: Fix pci_register_host_bridge() device_register() error handling

[Bjorn Helgaas <helgaas@kernel.org>]

On Wed, May 13, 2020 at 05:38:58PM -0500, Rob Herring wrote:
> 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")
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Signed-off-by: Rob Herring <robh@kernel.org>

Both applied to pci/enumeration for v5.8, thanks!

> ---
>  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 77b8a145c39b..e21dc71b1907 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);
> -- 
> 2.20.1
>