Files
cubelinux-kernel/scripts/coccinelle/misc/warn.cocci
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

111 lines
1.7 KiB
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// SPDX-License-Identifier: GPL-2.0-only
/// Use WARN(1,...) rather than printk followed by WARN_ON(1)
///
// Confidence: High
// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.
// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.
// URL: https://coccinelle.gitlabpages.inria.fr/website
// Comments:
// Options: --no-includes --include-headers
virtual patch
virtual context
virtual org
virtual report
@bad1@
position p;
@@
printk(...);
printk@p(...);
WARN_ON(1);
@r1 depends on context || report || org@
position p != bad1.p;
@@
printk@p(...);
*WARN_ON(1);
@script:python depends on org@
p << r1.p;
@@
cocci.print_main("printk + WARN_ON can be just WARN",p)
@script:python depends on report@
p << r1.p;
@@
msg = "SUGGESTION: printk + WARN_ON can be just WARN"
coccilib.report.print_report(p[0],msg)
@ok1 depends on patch@
expression list es;
position p != bad1.p;
@@
-printk@p(
+WARN(1,
es);
-WARN_ON(1);
@depends on patch@
expression list ok1.es;
@@
if (...)
- {
WARN(1,es);
- }
// --------------------------------------------------------------------
@bad2@
position p;
@@
printk(...);
printk@p(...);
WARN_ON_ONCE(1);
@r2 depends on context || report || org@
position p != bad1.p;
@@
printk@p(...);
*WARN_ON_ONCE(1);
@script:python depends on org@
p << r2.p;
@@
cocci.print_main("printk + WARN_ON_ONCE can be just WARN_ONCE",p)
@script:python depends on report@
p << r2.p;
@@
msg = "SUGGESTION: printk + WARN_ON_ONCE can be just WARN_ONCE"
coccilib.report.print_report(p[0],msg)
@ok2 depends on patch@
expression list es;
position p != bad2.p;
@@
-printk@p(
+WARN_ONCE(1,
es);
-WARN_ON_ONCE(1);
@depends on patch@
expression list ok2.es;
@@
if (...)
- {
WARN_ONCE(1,es);
- }