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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: 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);
- }