linux-kernel - Re: [PATCH v2] checkpatch: add GENL_SET_ERR

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Date:   Wed, 6 May 2020 16:55:11 -0700
From:   Jacob Keller <jacob.e.keller@...el.com>
To:     linux-kernel@...r.kernel.org
Cc:     Jakub Kicinski <kuba@...nel.org>,
        Andy Whitcroft <apw@...onical.com>,
        Joe Perches <joe@...ches.com>
Subject: Re: [PATCH v2] checkpatch: add GENL_SET_ERR_MSG et al. to 80 column
 exceptions



On 5/6/2020 4:53 PM, Jacob Keller wrote:
> The GENL_SET_ERR_MSG, NL_SET_ERR_MSG, and NL_SET_ERR_MSG_MOD macros are
> used to report a string describing a specific error to userspace.
> 
> Often, these strings can exceed the normal 80 column limit. However,
> just like with strings printed to the kernel log, it is preferred to
> keep these on a single line.
> 
> Add these macros to the logFunctions exception list in checkpatch.pl
> 
> Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: Andy Whitcroft <apw@...onical.com>
> Cc: Joe Perches <joe@...ches.com>

Joe, Jakub,

I will also be sending a patch to fix the newlines in uses of
NL_SET_ERR_MSG_MOD, but since they all appear to be in net drivers, I
think it should go through the netdev list.

Thanks,
Jake

> ---
> Changes since v1:
> * add GENL_SET_ERR_MSG to the list
> * Reword the commit message slightly
> 
>  scripts/checkpatch.pl | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index eac40f0abd56..818a5b21587d 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -471,6 +471,7 @@ our $logFunctions = qr{(?x:
>  	WARN(?:_RATELIMIT|_ONCE|)|
>  	panic|
>  	MODULE_[A-Z_]+|
> +	GENL_SET_ERR_MSG|NL_SET_ERR_MSG|NL_SET_ERR_MSG_MOD|
>  	seq_vprintf|seq_printf|seq_puts
>  )};
>  
>