linux-kernel - Re: [PATCH v2] staging: comedi: rewrite macro function with GNU extension typeof

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 4 Nov 2019 17:46:53 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Jules Irenge <jbi.octave@...il.com>
Cc:     outreachy-kernel@...glegroups.com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, abbotti@....co.uk
Subject: Re: [PATCH v2] staging: comedi: rewrite macro function with GNU
 extension typeof

On Mon, Nov 04, 2019 at 04:33:31PM +0000, Jules Irenge wrote:
> Rewrite macro function with the GNU extension typeof
> to remove a possible side-effects of MACRO argument reuse "x".
>  - Problem could rise if arguments have different types
> and different use though.

You can not just get away with a potential problem by documenting it :)

You might have just broken this.  Why are you trying to "fix" something
that is not broken?

What is wrong with the code as-is?

thanks,

greg k-h