Re: [PATCH] pci: endpoint: make pci_epf_bus_type const

From: Manivannan Sadhasivam
Date: Tue Feb 06 2024 - 00:33:15 EST


On Sun, Feb 04, 2024 at 05:28:58PM -0300, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the pci_epf_bus_type variable to be a constant structure as well,
> placing it into read-only memory which can not be modified at runtime.
>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>

Applied to pci/endpoint!

- Mani

> ---
> drivers/pci/endpoint/pci-epf-core.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c
> index 2c32de667937..bf655383e5ed 100644
> --- a/drivers/pci/endpoint/pci-epf-core.c
> +++ b/drivers/pci/endpoint/pci-epf-core.c
> @@ -17,7 +17,7 @@
>
> static DEFINE_MUTEX(pci_epf_mutex);
>
> -static struct bus_type pci_epf_bus_type;
> +static const struct bus_type pci_epf_bus_type;
> static const struct device_type pci_epf_type;
>
> /**
> @@ -507,7 +507,7 @@ static void pci_epf_device_remove(struct device *dev)
> epf->driver = NULL;
> }
>
> -static struct bus_type pci_epf_bus_type = {
> +static const struct bus_type pci_epf_bus_type = {
> .name = "pci-epf",
> .match = pci_epf_device_match,
> .probe = pci_epf_device_probe,
>
> ---
> base-commit: 1281aa073d3701b03cc6e716dc128df5ba47509d
> change-id: 20240204-bus_cleanup-pci-f70b6d5a5bcf
>
> Best regards,
> --
> Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
>

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