68 lines
1.4 KiB
Plaintext
68 lines
1.4 KiB
Plaintext
///
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/// Casting (void *) value returned by kmalloc is useless
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/// as mentioned in Documentation/CodingStyle, Chap 14.
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///
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// Confidence: High
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// Copyright: 2009,2010 Nicolas Palix, DIKU. GPLv2.
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// URL: http://coccinelle.lip6.fr/
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// Options: -no_includes -include_headers
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//
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// Keywords: kmalloc, kzalloc, kcalloc
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// Version min: < 2.6.12 kmalloc
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// Version min: < 2.6.12 kcalloc
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// Version min: 2.6.14 kzalloc
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//
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virtual context
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virtual patch
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virtual org
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virtual report
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//----------------------------------------------------------
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// For context mode
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//----------------------------------------------------------
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@depends on context@
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type T;
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@@
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* (T *)
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\(kmalloc\|kzalloc\|kcalloc\)(...)
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//----------------------------------------------------------
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// For patch mode
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//----------------------------------------------------------
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@depends on patch@
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type T;
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@@
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- (T *)
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\(kmalloc\|kzalloc\|kcalloc\)(...)
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//----------------------------------------------------------
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// For org and report mode
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//----------------------------------------------------------
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@r depends on org || report@
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type T;
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position p;
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@@
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(T@p *)\(kmalloc\|kzalloc\|kcalloc\)(...)
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@script:python depends on org@
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p << r.p;
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t << r.T;
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@@
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coccilib.org.print_safe_todo(p[0], t)
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@script:python depends on report@
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p << r.p;
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t << r.T;
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@@
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msg="WARNING: casting value returned by k[cmz]alloc to (%s *) is useless." % (t)
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coccilib.report.print_report(p[0], msg)
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