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scripts/coccinelle: improve the coverage of some semantic patches

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This patch ensures that all semantic patches in the scripts/coccinelle
directory provide the report option.  Report messages that include line
numbers now have the line number preceded by "line" for easier subsequent
processing.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Julia Lawall
2012-01-14 23:41:54 +01:00
committed by Michal Marek
parent fb3f8af4ff
commit 29a36d4dec
11 changed files with 351 additions and 76 deletions
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36
scripts/coccinelle/null/eno.cocci
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@@ -1,16 +1,19 @@
/// The various basic memory allocation functions don't return ERR_PTR
///
// Confidence: High
// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
// Copyright: (C) 2010-2012 Nicolas Palix. GPLv2.
// Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6. GPLv2.
// Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. GPLv2.
// URL: http://coccinelle.lip6.fr/
// Comments:
// Options: -no_includes -include_headers
virtual patch
virtual context
virtual org
virtual report
@@
@depends on patch@
expression x,E;
@@
@@ -18,3 +21,28 @@ x = \(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|kmem_cache
... when != x = E
- IS_ERR(x)
+ !x
@r depends on !patch exists@
expression x,E;
position p1,p2;
@@
*x = \(kmalloc@p1\|kzalloc@p1\|kcalloc@p1\|kmem_cache_alloc@p1\|kmem_cache_zalloc@p1\|kmem_cache_alloc_node@p1\|kmalloc_node@p1\|kzalloc_node@p1\)(...)
... when != x = E
* IS_ERR@p2(x)
@script:python depends on org@
p1 << r.p1;
p2 << r.p2;
@@
cocci.print_main("alloc call",p1)
cocci.print_secs("IS_ERR that should be NULL tests",p2)
@script:python depends on report@
p1 << r.p1;
p2 << r.p2;
@@
msg = "ERROR: allocation function on line %s returns NULL not ERR_PTR on failure" % (p1[0].line)
coccilib.report.print_report(p2[0], msg)