linux-kernel - Re: sparse on scripts/kconfig/*.c

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Message-ID: <605fc799-70c1-14af-904d-723b43ab9025@infradead.org>
Date:   Mon, 15 May 2017 11:00:22 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     linux-kbuild <linux-kbuild@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, smatch@...r.kernel.org
Subject: Re: sparse on scripts/kconfig/*.c

On 05/10/17 13:53, Dan Carpenter wrote:
> I have created some new tools to make this process easier.
> 
> 1) First you still have to edit the Makefile:
> 
> -HOSTCC       = gcc
> +HOSTCC       = ~/progs/smatch/devel/cgcc
> 
> 2) Build the data with this command:
> 
> 	~/progs/smatch/devel/smatch_scripts/build_generic_data.sh --target scripts/
> 
> The --target scripts/ is because we want to run smatch on the scripts/
> directory.
> 
> 3) Run smatch:
> 
> 	~/progs/smatch/devel/smatch_scripts/test_generic.sh --target scripts/
> 
> I just wrote this code today so it might be a bit rough perhaps.  Let me
> know if you have any issues.  It doesn't find anything like I said
> before, but hopefully this can help other people who want to run Smatch
> on user space code.

Thanks, Dan.

I get this when running build_generic_data.sh:

readline() on closed filehandle FILE at /home/rdunlap/projects/smatch/smatch_scripts/../smatch_data/db/fill_db_caller_info.pl line 33.

I see scripts/mod/* being built/checked ... but not scripts/kconfig/*.

Any ideas?


-- 
~Randy