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/// Use WARN(1,...) rather than printk followed by WARN_ON(1)
///
// Confidence: High
// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.  GPLv2.
// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.  GPLv2.
// 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);
- }

Filemanager

Name Type Size Permission Actions
array_size.cocci File 1.66 KB 0644
badty.cocci File 1.68 KB 0644
boolconv.cocci File 1.44 KB 0644
boolinit.cocci File 2.2 KB 0644
boolreturn.cocci File 698 B 0644
bugon.cocci File 1.45 KB 0644
cond_no_effect.cocci File 2.04 KB 0644
cstptr.cocci File 827 B 0644
doubleinit.cocci File 1.36 KB 0644
ifaddr.cocci File 659 B 0644
ifcol.cocci File 1.21 KB 0644
irqf_oneshot.cocci File 1.91 KB 0644
noderef.cocci File 1.17 KB 0644
of_table.cocci File 1.33 KB 0644
orplus.cocci File 1 KB 0644
returnvar.cocci File 1.22 KB 0644
semicolon.cocci File 1.04 KB 0644
warn.cocci File 1.62 KB 0644