mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 17:30:02 +00:00
7f904d7e1f
Based on 1 normalized pattern(s): gplv2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 58 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081207.556988620@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
110 lines
1.6 KiB
Text
110 lines
1.6 KiB
Text
// 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: http://coccinelle.lip6.fr/
|
|
// 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);
|
|
- }
|