From: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date: Thu, 15 Jun 2017 23:15:47 +0000 (+0000)
Subject: coccinelle: add a rule to make "expression" code use FREE_AND_NULL()
X-Git-Tag: v2.14.0-rc0~57^2~2
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/1b83d1251edbfb49feb84c0c32d241a63e2118a9

coccinelle: add a rule to make "expression" code use FREE_AND_NULL()

A follow-up to the existing "type" rule added in an earlier
change. This catches some occurrences that are missed by the previous
rule.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/contrib/coccinelle/free.cocci b/contrib/coccinelle/free.cocci
index 35fb992621..f2d97e755b 100644
--- a/contrib/coccinelle/free.cocci
+++ b/contrib/coccinelle/free.cocci
@@ -17,3 +17,10 @@ T *ptr;
 - free(ptr);
 - ptr = NULL;
 + FREE_AND_NULL(ptr);
+
+@@
+expression E;
+@@
+- free(E);
+- E = NULL;
++ FREE_AND_NULL(E);