On Tue, Jan 18, 2022 at 02:43:17PM +0100, Philipp Zabel wrote:
> Skip devices on the EFI bus that do not have a driver assigned.
>
> Fixes: f68a547deebd ("efi: add efi_device hook to be called before an image is started")
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Tested-by: Michael Olbrich <m.olbrich@xxxxxxxxxxxxxx>
Regards,
Michael
> ---
> drivers/efi/efi-device.c | 14 ++++++++++++--
> 1 file changed, 12 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/efi/efi-device.c b/drivers/efi/efi-device.c
> index 39724ec2f431..f91d09e8eaa5 100644
> --- a/drivers/efi/efi-device.c
> +++ b/drivers/efi/efi-device.c
> @@ -473,7 +473,12 @@ void efi_pause_devices(void)
> bus_for_each_device(&efi_bus, dev) {
> struct driver_d *drv = dev->driver;
> struct efi_device *efidev = to_efi_device(dev);
> - struct efi_driver *efidrv = to_efi_driver(drv);
> + struct efi_driver *efidrv;
> +
> + if (!drv)
> + continue;
> +
> + efidrv = to_efi_driver(drv);
>
> if (efidrv->dev_pause)
> efidrv->dev_pause(efidev);
> @@ -487,7 +492,12 @@ void efi_continue_devices(void)
> bus_for_each_device(&efi_bus, dev) {
> struct driver_d *drv = dev->driver;
> struct efi_device *efidev = to_efi_device(dev);
> - struct efi_driver *efidrv = to_efi_driver(drv);
> + struct efi_driver *efidrv;
> +
> + if (!drv)
> + continue;
> +
> + efidrv = to_efi_driver(drv);
>
> if (efidrv->dev_continue)
> efidrv->dev_continue(efidev);
> --
> 2.30.2
>
>
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