linux-hardening - [PATCH -next v2 9/9] coccinelle: Add rules to find str_yes

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Message-ID: <20240904091451.3328272-10-lihongbo22@huawei.com>
Date: Wed, 4 Sep 2024 17:14:51 +0800
From: Hongbo Li <lihongbo22@...wei.com>
To: <kees@...nel.org>, <andy@...nel.org>, <Julia.Lawall@...ia.fr>,
	<nicolas.palix@...g.fr>
CC: <linux-hardening@...r.kernel.org>, <cocci@...ia.fr>,
	<lihongbo22@...wei.com>
Subject: [PATCH -next v2 9/9] coccinelle: Add rules to find str_yes_no() replacements

As other rules done, we add rules for str_yes_no()
to check the relative opportunities.

Signed-off-by: Hongbo Li <lihongbo22@...wei.com>
---
 scripts/coccinelle/api/string_choices.cocci | 23 +++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/scripts/coccinelle/api/string_choices.cocci b/scripts/coccinelle/api/string_choices.cocci
index bb09076e5f58..7b00d0450b17 100644
--- a/scripts/coccinelle/api/string_choices.cocci
+++ b/scripts/coccinelle/api/string_choices.cocci
@@ -338,3 +338,26 @@ e << str_on_off_r.E;
 @@
 
 coccilib.report.print_report(p[0], "opportunity for str_on_off(%s)" % e)
+
+@..._yes_no depends on patch@
+expression E;
+@@
+(
+-      ((E) ? "yes" : "no")
++      str_yes_no(E)
+)
+
+@..._yes_no_r depends on !patch exists@
+expression E;
+position P;
+@@
+(
+*      ((E@P) ? "yes" : "no")
+)
+
+@...ipt:python depends on report@
+p << str_yes_no_r.P;
+e << str_yes_no_r.E;
+@@
+
+coccilib.report.print_report(p[0], "opportunity for str_yes_no(%s)" % e)
-- 
2.34.1