linux-kernel - Re: [PATCH v4] Added tables i2c_device_id and platform_device_id for checking. Extend checking on tables containing structures which are initialized without specifying member name.

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Message-ID: <alpine.DEB.2.10.1506031140360.2386@hadrien>
Date:	Wed, 3 Jun 2015 11:42:11 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Daniel Granat <d.granat@...sung.com>
cc:	Julia.Lawall@...6.fr, cocci@...teme.lip6.fr,
	linux-kernel@...r.kernel.org, Gilles.Muller@...6.fr,
	nicolas.palix@...g.fr, k.wrona@...sung.com, k.kozlowski@...sung.com
Subject: Re: [PATCH v4] Added tables i2c_device_id and platform_device_id
 for checking. Extend checking on tables containing structures which are
 initialized without specifying member name.



On Tue, 2 Jun 2015, Daniel Granat wrote:

> Signed-off-by: Daniel Granat <d.granat@...sung.com>
> ---
>  scripts/coccinelle/misc/of_table.cocci | 34 +++++++++++++++++++++++++++++-----
>  1 file changed, 29 insertions(+), 5 deletions(-)
>
> diff --git a/scripts/coccinelle/misc/of_table.cocci b/scripts/coccinelle/misc/of_table.cocci
> index 3c93404..bc3c944 100644
> --- a/scripts/coccinelle/misc/of_table.cocci
> +++ b/scripts/coccinelle/misc/of_table.cocci
> @@ -1,6 +1,6 @@
> -/// Make sure of_device_id tables are NULL terminated
> +/// Make sure (of_device_id | i2c_device_id | platform_device_id) tables are NULL terminated

It would be nice for the comment to be limited to 80 characters.

>  //
> -// Keywords: of_table
> +// Keywords: of_table i2c_table platform_table
>  // Confidence: Medium
>  // Options: --include-headers
>
> @@ -13,18 +13,27 @@ virtual report
>  identifier var, arr;
>  expression E;
>  @@
> -struct of_device_id arr[] = {
> +(
> +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
>  	...,
>  	{
>  	.var = E,
>  *	}
>  };
> +|
> +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
> +	...,
> +	{ ..., E, ... },
> +*	{ },

This should be:

struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
        ...,
*       { ..., E, ... },
};

With that you get four results for the context case, like for the others.

The rest looks OK.

julia

> +};
> +)
>
>  @depends on patch@
>  identifier var, arr;
>  expression E;
>  @@
> -struct of_device_id arr[] = {
> +(
> +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
>  	...,
>  	{
>  	.var = E,
> @@ -32,19 +41,34 @@ struct of_device_id arr[] = {
>  +	},
>  +	{ }
>  };
> +|
> +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
> +	...,
> +	{ ..., E, ... },
> ++	{ },
> +};
> +)
>
>  @r depends on org || report@
>  position p1;
>  identifier var, arr;
>  expression E;
>  @@
> -struct of_device_id arr[] = {
> +(
> +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
>  	...,
>  	{
>  	.var = E,
>  	}
>  	@p1
>  };
> +|
> +struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
> +	...,
> +	{ ..., E, ... }
> +	@p1
> +};
> +)
>
>  @script:python depends on org@
>  p1 << r.p1;
> --
> 1.9.1
>
>
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