Re: linux-next: manual merge of the iommufd tree with the driver-core, vfio trees

[Greg KH <greg@kroah.com>]

On Tue, Dec 06, 2022 at 01:21:53PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> Today's linux-next merge of the iommufd tree got a conflict in:
> 
>   drivers/vfio/vfio_main.c
> 
> between commits:
> 
>   ff62b8e6588f ("driver core: make struct class.devnode() take a const *")
>   e2d55709398e ("vfio: Fold vfio_virqfd.ko into vfio.ko")
> 
> from the driver-core, vfio trees and commits:
> 
>   c2849d718d26 ("vfio: Move vfio group specific code into group.c")
>   f96dc03a8368 ("vfio: Wrap vfio group module init/clean code into helpers")
> 
> from the iommufd tree.
> 
> I fixed it up (I think - see below and I had to add the fix up patch as
> well) and can carry the fix as necessary. This is now fixed as far as
> linux-next is concerned, but any non trivial conflicts should be mentioned
> to your upstream maintainer when your tree is submitted for merging.
> You may also want to consider cooperating with the maintainer of the
> conflicting tree to minimise any particularly complex conflicts.
> 
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Tue, 6 Dec 2022 13:17:41 +1100
> Subject: [PATCH] vfio: fix up for "driver core: make struct class.devnode() take a const *"
> 
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> ---
>  drivers/vfio/group.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/vfio/group.c b/drivers/vfio/group.c
> index c5d8bf10495e..bb24b2f0271e 100644
> --- a/drivers/vfio/group.c
> +++ b/drivers/vfio/group.c
> @@ -827,7 +827,7 @@ bool vfio_file_has_dev(struct file *file, struct vfio_device *device)
>  }
>  EXPORT_SYMBOL_GPL(vfio_file_has_dev);
>  
> -static char *vfio_devnode(struct device *dev, umode_t *mode)
> +static char *vfio_devnode(const struct device *dev, umode_t *mode)
>  {
>  	return kasprintf(GFP_KERNEL, "vfio/%s", dev_name(dev));
>  }
> 

Fix looks good to me, thanks!

greg k-h