2019-07-17 18:25:38

by Kelsey

Subject: [PATCH] PCI: Remove unused EXPORT_SYMBOL()s from drivers/pci/bus.c

pci_bus_get() and pci_bus_put() are not used by a loadable kernel module
and do not need to be exported. Remove lines exporting pci_bus_get() and
pci_bus_put().

Functions were exported in commit fe830ef62ac6 ("PCI: Introduce
pci_bus_{get|put}() to manage PCI bus reference count"). No found history
of functions being used by a loadable kernel module.

Signed-off-by: Kelsey Skunberg <[email protected]>
---
drivers/pci/bus.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 495059d923f7..8e40b3e6da77 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -417,11 +417,9 @@ struct pci_bus *pci_bus_get(struct pci_bus *bus)
get_device(&bus->dev);
return bus;
}
-EXPORT_SYMBOL(pci_bus_get);

void pci_bus_put(struct pci_bus *bus)
{
if (bus)
put_device(&bus->dev);
}
-EXPORT_SYMBOL(pci_bus_put);
--
2.20.1

2019-07-17 20:50:01

by Greg Kroah-Hartman

Subject: Re: [Linux-kernel-mentees] [PATCH] PCI: Remove unused EXPORT_SYMBOL()s from drivers/pci/bus.c

On Wed, Jul 17, 2019 at 12:23:53PM -0600, Kelsey Skunberg wrote:
> pci_bus_get() and pci_bus_put() are not used by a loadable kernel module
> and do not need to be exported. Remove lines exporting pci_bus_get() and
> pci_bus_put().
>
> Functions were exported in commit fe830ef62ac6 ("PCI: Introduce
> pci_bus_{get|put}() to manage PCI bus reference count"). No found history
> of functions being used by a loadable kernel module.
>
> Signed-off-by: Kelsey Skunberg <[email protected]>

Acked-by: Greg Kroah-Hartman <[email protected]>

2019-07-24 02:35:46

by Bjorn Helgaas

Subject: Re: [Linux-kernel-mentees] [PATCH] PCI: Remove unused EXPORT_SYMBOL()s from drivers/pci/bus.c

[+cc Greg]

On Wed, Jul 17, 2019 at 12:23:53PM -0600, Kelsey Skunberg wrote:
> pci_bus_get() and pci_bus_put() are not used by a loadable kernel module
> and do not need to be exported. Remove lines exporting pci_bus_get() and
> pci_bus_put().
>
> Functions were exported in commit fe830ef62ac6 ("PCI: Introduce
> pci_bus_{get|put}() to manage PCI bus reference count"). No found history
> of functions being used by a loadable kernel module.
>
> Signed-off-by: Kelsey Skunberg <[email protected]>

Applied with Greg's ack to pci/hide for v5.4, thanks!

> ---
> drivers/pci/bus.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
> index 495059d923f7..8e40b3e6da77 100644
> --- a/drivers/pci/bus.c
> +++ b/drivers/pci/bus.c
> @@ -417,11 +417,9 @@ struct pci_bus *pci_bus_get(struct pci_bus *bus)
> get_device(&bus->dev);
> return bus;
> }
> -EXPORT_SYMBOL(pci_bus_get);
>
> void pci_bus_put(struct pci_bus *bus)
> {
> if (bus)
> put_device(&bus->dev);
> }
> -EXPORT_SYMBOL(pci_bus_put);
> --
> 2.20.1
>
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