 ad99ac2fa7
			
		
	
	
	ad99ac2fa7
	
	
	
		
			
			Use WARN(1,...) rather than printk followed by WARN(1). Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
		
			
				
	
	
		
			109 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			109 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			Text
		
	
	
	
	
	
| /// Use WARN(1,...) rather than printk followed by WARN_ON(1)
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| ///
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| // Confidence: High
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| // Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.  GPLv2.
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| // Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.  GPLv2.
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| // URL: http://coccinelle.lip6.fr/
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| // Comments:
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| // Options: -no_includes -include_headers
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| 
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| virtual patch
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| virtual context
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| virtual org
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| virtual report
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| 
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| @bad1@
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| position p;
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| @@
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| 
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| printk(...);
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| printk@p(...);
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| WARN_ON(1);
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| 
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| @r1 depends on context || report || org@
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| position p != bad1.p;
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| @@
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| 
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|  printk@p(...);
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| *WARN_ON(1);
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| 
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| @script:python depends on org@
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| p << r1.p;
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| @@
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| 
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| cocci.print_main("printk + WARN_ON can be just WARN",p)
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| 
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| @script:python depends on report@
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| p << r1.p;
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| @@
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| 
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| msg = "SUGGESTION: printk + WARN_ON can be just WARN"
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| coccilib.report.print_report(p[0],msg)
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| 
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| @ok1 depends on patch@
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| expression list es;
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| position p != bad1.p;
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| @@
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| 
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| -printk@p(
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| +WARN(1,
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|   es);
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| -WARN_ON(1);
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| 
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| @depends on patch@
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| expression list ok1.es;
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| @@
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| 
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| if (...)
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| - {
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|   WARN(1,es);
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| - }
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| 
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| // --------------------------------------------------------------------
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| 
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| @bad2@
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| position p;
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| @@
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| 
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| printk(...);
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| printk@p(...);
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| WARN_ON_ONCE(1);
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| 
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| @r2 depends on context || report || org@
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| position p != bad1.p;
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| @@
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| 
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|  printk@p(...);
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| *WARN_ON_ONCE(1);
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| 
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| @script:python depends on org@
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| p << r2.p;
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| @@
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| 
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| cocci.print_main("printk + WARN_ON_ONCE can be just WARN_ONCE",p)
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| 
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| @script:python depends on report@
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| p << r2.p;
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| @@
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| 
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| msg = "SUGGESTION: printk + WARN_ON_ONCE can be just WARN_ONCE"
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| coccilib.report.print_report(p[0],msg)
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| 
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| @ok2 depends on patch@
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| expression list es;
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| position p != bad2.p;
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| @@
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| 
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| -printk@p(
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| +WARN_ONCE(1,
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|   es);
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| -WARN_ON_ONCE(1);
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| 
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| @depends on patch@
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| expression list ok2.es;
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| @@
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| 
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| if (...)
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| - {
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|   WARN_ONCE(1,es);
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| - }
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