linux-kernel - Re: linux-next: manual merge of the extcon tree with the driver-core tree

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Message-ID: <ZBhOTW9v9jzJVY7e@kroah.com>
Date:   Mon, 20 Mar 2023 13:15:09 +0100
From:   Greg KH <greg@...ah.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Chanwoo Choi <cw00.choi@...sung.com>,
        Bumwoo Lee <bw365.lee@...sung.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: manual merge of the extcon tree with the driver-core
 tree

On Mon, Mar 20, 2023 at 11:58:39AM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> Today's linux-next merge of the extcon tree got a conflict in:
> 
>   drivers/extcon/extcon.c
> 
> between commit:
> 
>   1aaba11da9aa ("driver core: class: remove module * from class_create()")
> 
> from the driver-core tree and commit:
> 
>   6384c02f33a9 ("extcon: Remove redundant null checking for class")
> 
> from the extcon 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/extcon/extcon.c
> index d43ba8e7260d,adcf01132f70..000000000000
> --- a/drivers/extcon/extcon.c
> +++ b/drivers/extcon/extcon.c
> @@@ -1012,12 -1012,13 +1012,13 @@@ ATTRIBUTE_GROUPS(extcon)
>   
>   static int create_extcon_class(void)
>   {
> - 	if (!extcon_class) {
> - 		extcon_class = class_create("extcon");
> - 		if (IS_ERR(extcon_class))
> - 			return PTR_ERR(extcon_class);
> - 		extcon_class->dev_groups = extcon_groups;
> - 	}
> + 	if (extcon_class)
> + 		return 0;
> + 
>  -	extcon_class = class_create(THIS_MODULE, "extcon");
> ++	extcon_class = class_create("extcon");
> + 	if (IS_ERR(extcon_class))
> + 		return PTR_ERR(extcon_class);
> + 	extcon_class->dev_groups = extcon_groups;
>   
>   	return 0;
>   }

Thanks, the merge resolution looks good to me.

greg k-h