Re: linux-next: manual merge of the char-misc tree with the driver-core tree

From: Stephen Rothwell
Date: Mon Jul 08 2019 - 19:51:14 EST


Hi all,

On Thu, 20 Jun 2019 15:35:52 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Today's linux-next merge of the char-misc tree got a conflict in:
>
> drivers/misc/mei/debugfs.c
>
> between commit:
>
> 5666d896e838 ("mei: no need to check return value of debugfs_create functions")
>
> from the driver-core tree and commit:
>
> b728ddde769c ("mei: Convert to use DEFINE_SHOW_ATTRIBUTE macro")
>
> from the char-misc tree.
>
> I fixed it up (see below) 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.
>
> --
> Cheers,
> Stephen Rothwell
>
> diff --cc drivers/misc/mei/debugfs.c
> index df6bf8b81936,47cfd5005e1b..000000000000
> --- a/drivers/misc/mei/debugfs.c
> +++ b/drivers/misc/mei/debugfs.c
> @@@ -233,22 -154,46 +154,21 @@@ void mei_dbgfs_deregister(struct mei_de
> *
> * @dev: the mei device structure
> * @name: the mei device name
> - *
> - * Return: 0 on success, <0 on failure.
> */
> -int mei_dbgfs_register(struct mei_device *dev, const char *name)
> +void mei_dbgfs_register(struct mei_device *dev, const char *name)
> {
> - struct dentry *dir, *f;
> + struct dentry *dir;
>
> dir = debugfs_create_dir(name, NULL);
> - if (!dir)
> - return -ENOMEM;
> -
> dev->dbgfs_dir = dir;
>
> - f = debugfs_create_file("meclients", S_IRUSR, dir,
> - dev, &mei_dbgfs_meclients_fops);
> - if (!f) {
> - dev_err(dev->dev, "meclients: registration failed\n");
> - goto err;
> - }
> - f = debugfs_create_file("active", S_IRUSR, dir,
> - dev, &mei_dbgfs_active_fops);
> - if (!f) {
> - dev_err(dev->dev, "active: registration failed\n");
> - goto err;
> - }
> - f = debugfs_create_file("devstate", S_IRUSR, dir,
> - dev, &mei_dbgfs_devstate_fops);
> - if (!f) {
> - dev_err(dev->dev, "devstate: registration failed\n");
> - goto err;
> - }
> - f = debugfs_create_file("allow_fixed_address", S_IRUSR | S_IWUSR, dir,
> - &dev->allow_fixed_address,
> - &mei_dbgfs_allow_fa_fops);
> - if (!f) {
> - dev_err(dev->dev, "allow_fixed_address: registration failed\n");
> - goto err;
> - }
> - return 0;
> -err:
> - mei_dbgfs_deregister(dev);
> - return -ENODEV;
> + debugfs_create_file("meclients", S_IRUSR, dir, dev,
> - &mei_dbgfs_fops_meclients);
> ++ &mei_dbgfs_meclients_fops);
> + debugfs_create_file("active", S_IRUSR, dir, dev,
> - &mei_dbgfs_fops_active);
> ++ &mei_dbgfs_active_fops);
> + debugfs_create_file("devstate", S_IRUSR, dir, dev,
> - &mei_dbgfs_fops_devstate);
> ++ &mei_dbgfs_devstate_fops);
> + debugfs_create_file("allow_fixed_address", S_IRUSR | S_IWUSR, dir,
> + &dev->allow_fixed_address,
> - &mei_dbgfs_fops_allow_fa);
> ++ &mei_dbgfs_allow_fa_fops);
> }
> -

I am still getting this conflict (the commit ids may have changed).
Just a reminder in case you think Linus may need to know.

--
Cheers,
Stephen Rothwell

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