Files
cubelinux-kernel/scripts/coccinelle/api/err_cast.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

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// SPDX-License-Identifier: GPL-2.0-only
///
/// Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))
///
// Confidence: High
// Copyright: (C) 2009, 2010 Nicolas Palix, DIKU.
// Copyright: (C) 2009, 2010 Julia Lawall, DIKU.
// Copyright: (C) 2009, 2010 Gilles Muller, INRIA/LiP6.
// URL: https://coccinelle.gitlabpages.inria.fr/website
// Options:
//
// Keywords: ERR_PTR, PTR_ERR, ERR_CAST
// Version min: 2.6.25
//
virtual context
virtual patch
virtual org
virtual report
@ depends on context && !patch && !org && !report@
expression x;
@@
* ERR_PTR(PTR_ERR(x))
@ depends on !context && patch && !org && !report @
expression x;
@@
- ERR_PTR(PTR_ERR(x))
+ ERR_CAST(x)
@r depends on !context && !patch && (org || report)@
expression x;
position p;
@@
ERR_PTR@p(PTR_ERR(x))
@script:python depends on org@
p << r.p;
x << r.x;
@@
msg="WARNING ERR_CAST can be used with %s" % (x)
msg_safe=msg.replace("[","@(").replace("]",")")
coccilib.org.print_todo(p[0], msg_safe)
@script:python depends on report@
p << r.p;
x << r.x;
@@
msg="WARNING: ERR_CAST can be used with %s" % (x)
coccilib.report.print_report(p[0], msg)