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Subject[PATCH 3/6] Coccinelle: atomic as refcounter: Use typ e “expression” for another metavariable
From
Date
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 2 Jul 2018 17:55:27 +0200

The metavariable “a” is enclosed by parentheses in three rules of
a script for the semantic patch language.
Replace its type by “expression” so that the corresponding source code
search becomes more powerful.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
scripts/coccinelle/api/atomic_as_refcounter.cocci | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/scripts/coccinelle/api/atomic_as_refcounter.cocci b/scripts/coccinelle/api/atomic_as_refcounter.cocci
index 5571eea04c7b..57af2db9463e 100644
--- a/scripts/coccinelle/api/atomic_as_refcounter.cocci
+++ b/scripts/coccinelle/api/atomic_as_refcounter.cocci
@@ -10,7 +10,8 @@
virtual report

@r1 exists@
-identifier a, x;
+expression a;
+identifier x;
position p1, p2;
identifier fname =~ "free";
identifier fname2 =~ "(?:call_rcu|de(?:l|stroy)|(?:queue|schedule)_work)";
@@ -45,7 +46,8 @@ msg = "atomic_dec_and_test variation before object free at line %s."
coccilib.report.print_report(p1[0], msg % (p2[0].line))

@r4 exists@
-identifier a, x, y;
+expression a;
+identifier x, y;
position p1, p2;
identifier fname =~ "free";
@@
@@ -77,7 +79,8 @@ msg = "atomic_dec_and_test variation before object free at line %s."
coccilib.report.print_report(p1[0], msg % (p2[0].line))

@r2 exists@
-identifier a, x;
+expression a;
+identifier x;
position p1;
@@

--
2.18.0
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