linux-kernel - NULL pointer constraints vs. compiler checks

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Message-ID: <732996cf-5813-22a3-ee69-d8dc353845f4@metux.net>
Date:   Fri, 12 Jul 2019 12:52:14 +0200
From:   "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
To:     LKML <linux-kernel@...r.kernel.org>,
        Coccinelle <cocci@...teme.lip6.fr>
Subject: NULL pointer constraints vs. compiler checks

Hello folks,

we recently have lots of patches for either adding missing NULL checks,
removing unneeded ones, etc. It seems that's an non-trivial terrain,
so I'm thinking about potential compiler support.

Does anybody know whether gcc has some way for not-null constraints ?

thx
--mtx

-- 
Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@...ux.net -- +49-151-27565287