FM / null

/usr/src/linux-headers-5.15.0-190/scripts/coccinelle/null/

/usr/src/linux-headers-5.15.0-190/scripts/coccinelle/null

Name	Size	Mode	Actions
badzero.cocci	3258	0644	edit dl rm
deref_null.cocci	4504	0644	edit dl rm
eno.cocci	1242	0644	edit dl rm
kmerr.cocci	1630	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/scripts/coccinelle/null/eno.cocci (1242B)

// SPDX-License-Identifier: GPL-2.0-only
/// The various basic memory allocation functions don't return ERR_PTR
///
// Confidence: High
// Copyright: (C) 2010-2012 Nicolas Palix.
// Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6.
// Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6.
// URL: http://coccinelle.lip6.fr/
// Comments:
// Options: --no-includes --include-headers

virtual patch
virtual context
virtual org
virtual report

@depends on patch@
expression x,E;
@@

@r depends on !patch exists@
expression x,E;
position p1,p2;
@@

@script:python depends on org@
p1 << r.p1;
p2 << r.p2;
@@

cocci.print_main("alloc call",p1)
cocci.print_secs("IS_ERR that should be NULL tests",p2)

@script:python depends on report@
p1 << r.p1;
p2 << r.p2;
@@

msg = "ERROR: allocation function on line %s returns NULL not ERR_PTR on failure" % (p1[0].line)
coccilib.report.print_report(p2[0], msg)

cmd: