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>
diff --git a/scripts/coccinelle/null/eno.cocci b/scripts/coccinelle/null/eno.cocci
index 4c9c52b..ed961a1 100644
--- a/scripts/coccinelle/null/eno.cocci
+++ b/scripts/coccinelle/null/eno.cocci
@@ -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 @@
... 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)