linux-kernel - Re: [PATCH v2] coccinelle: Check for missing NULL terminators in of_device

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Message-ID: <53962B54.8030909@suse.cz>
Date:	Mon, 09 Jun 2014 23:47:00 +0200
From:	Michal Marek <mmarek@...e.cz>
To:	Julia Lawall <julia.lawall@...6.fr>,
	Stephen Boyd <sboyd@...eaurora.org>
CC:	linux-kernel@...r.kernel.org,
	Mitchel Humpherys <mitchelh@...eaurora.org>,
	Gilles Muller <Gilles.Muller@...6.fr>,
	Nicolas Palix <nicolas.palix@...g.fr>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH v2] coccinelle: Check for missing NULL terminators in
 of_device_id tables

Dne 3.6.2014 20:25, Julia Lawall napsal(a):
> From: Stephen Boyd <sboyd@...eaurora.org>
> 
> Failure to terminate an of_device_id table can lead to confusing
> failures depending on where the compiler places the array. Add a
> check to make sure these tables are terminated. Thanks to Mitchel
> Humpherys for coming up with the pattern initially.
> 
> Cc: Mitchel Humpherys <mitchelh@...eaurora.org>
> Cc: Julia Lawall <Julia.Lawall@...6.fr>
> Cc: Gilles Muller <Gilles.Muller@...6.fr>
> Cc: Nicolas Palix <nicolas.palix@...g.fr>
> Cc: Grant Likely <grant.likely@...aro.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: devicetree@...r.kernel.org
> Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
> Acked-by: Grant Likely <grant.likely@...aro.org>
> Signed-off-by: Julia Lawall <julia.lawall@...6.fr>
> 
> ---
> 
> v3: Removed unneeded rule bad_of_table.  Placed * in context rule on the 
> closing brace; putting it on the field caused all fields to be marked.
> 
> v4: corrected authorship
> 
>  scripts/coccinelle/misc/of_table.cocci |   62 +++++++++++++++++++++++++++++++++
>  1 file changed, 62 insertions(+)

Applied to kbuild.git#misc, thanks. BTW, what is so special about of
device drivers? Shouldn't we check for missing sentinels in all kinds of
device tables?

Thanks,
Michal
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