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authorJulia Lawall <Julia.Lawall@lip6.fr>2012-01-14 17:41:54 -0500
committerMichal Marek <mmarek@suse.cz>2012-01-14 18:05:46 -0500
commit29a36d4dec6cf7ad72e6e3337bf954096cbbb4cf (patch)
tree15ac5f3d0df3f56f233603e8626b5d383e6ab278 /scripts/coccinelle/null
parentfb3f8af4ff52faf9b31e6c4e8ca0b0b16332808c (diff)
scripts/coccinelle: improve the coverage of some semantic patches
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>
Diffstat (limited to 'scripts/coccinelle/null')
-rw-r--r--scripts/coccinelle/null/eno.cocci36
1 files changed, 32 insertions, 4 deletions
diff --git a/scripts/coccinelle/null/eno.cocci b/scripts/coccinelle/null/eno.cocci
index 4c9c52b9c413..ed961a1f7d11 100644
--- a/scripts/coccinelle/null/eno.cocci
+++ b/scripts/coccinelle/null/eno.cocci
@@ -1,16 +1,19 @@
1/// The various basic memory allocation functions don't return ERR_PTR 1/// The various basic memory allocation functions don't return ERR_PTR
2/// 2///
3// Confidence: High 3// Confidence: High
4// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2. 4// Copyright: (C) 2010-2012 Nicolas Palix. GPLv2.
5// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2. 5// Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6. GPLv2.
6// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2. 6// Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. GPLv2.
7// URL: http://coccinelle.lip6.fr/ 7// URL: http://coccinelle.lip6.fr/
8// Comments: 8// Comments:
9// Options: -no_includes -include_headers 9// Options: -no_includes -include_headers
10 10
11virtual patch 11virtual patch
12virtual context
13virtual org
14virtual report
12 15
13@@ 16@depends on patch@
14expression x,E; 17expression x,E;
15@@ 18@@
16 19
@@ -18,3 +21,28 @@ x = \(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|kmem_cache
18... when != x = E 21... when != x = E
19- IS_ERR(x) 22- IS_ERR(x)
20+ !x 23+ !x
24
25@r depends on !patch exists@
26expression x,E;
27position p1,p2;
28@@
29
30*x = \(kmalloc@p1\|kzalloc@p1\|kcalloc@p1\|kmem_cache_alloc@p1\|kmem_cache_zalloc@p1\|kmem_cache_alloc_node@p1\|kmalloc_node@p1\|kzalloc_node@p1\)(...)
31... when != x = E
32* IS_ERR@p2(x)
33
34@script:python depends on org@
35p1 << r.p1;
36p2 << r.p2;
37@@
38
39cocci.print_main("alloc call",p1)
40cocci.print_secs("IS_ERR that should be NULL tests",p2)
41
42@script:python depends on report@
43p1 << r.p1;
44p2 << r.p2;
45@@
46
47msg = "ERROR: allocation function on line %s returns NULL not ERR_PTR on failure" % (p1[0].line)
48coccilib.report.print_report(p2[0], msg)