 93f1446849
			
		
	
	
	93f1446849
	
	
	
		
			
			spatch has changed its option scheme. E.g., --no_show_diff is now --no-show-diff This patch updates: - scripts/coccicheck - Semantic patches under scripts/coccinelle/ Signed-off-by: Nicolas Palix <nicolas.palix@imag.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
		
			
				
	
	
		
			66 lines
		
	
	
	
		
			1.4 KiB
			
		
	
	
	
		
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			66 lines
		
	
	
	
		
			1.4 KiB
			
		
	
	
	
		
			Text
		
	
	
	
	
	
| /// Use kmemdup rather than duplicating its implementation
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| ///
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| // Confidence: High
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| // Copyright: (C) 2010-2012 Nicolas Palix.  GPLv2.
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| // Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6.  GPLv2.
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| // Copyright: (C) 2010-2012 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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| @r1@
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| expression from,to;
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| expression flag;
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| position p;
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| @@
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| 
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|    to = \(kmalloc@p\|kzalloc@p\)(strlen(from) + 1,flag);
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| 
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| @r2@
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| expression x,from,to;
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| expression flag,E1;
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| position p;
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| @@
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| 
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|     x = strlen(from) + 1;
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|     ... when != \( x = E1 \| from = E1 \)
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|     to = \(kmalloc@p\|kzalloc@p\)(x,flag);
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| 
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| @depends on patch@
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| expression from,to,size,flag;
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| position p != {r1.p,r2.p};
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| statement S;
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| @@
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| 
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| -  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
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| +  to = kmemdup(from,size,flag);
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|    if (to==NULL || ...) S
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| -  memcpy(to, from, size);
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| 
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| @r depends on !patch@
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| expression from,to,size,flag;
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| position p != {r1.p,r2.p};
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| statement S;
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| @@
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| 
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| *  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
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|    to = kmemdup(from,size,flag);
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|    if (to==NULL || ...) S
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| *  memcpy(to, from, size);
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| 
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| @script:python depends on org@
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| p << r.p;
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| @@
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| 
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| coccilib.org.print_todo(p[0], "WARNING opportunity for kmemdep")
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| 
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| @script:python depends on report@
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| p << r.p;
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| @@
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| 
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| coccilib.report.print_report(p[0], "WARNING opportunity for kmemdep")
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