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Message-ID: <20240829112455.232263-3-lihongbo22@huawei.com> Date: Thu, 29 Aug 2024 19:24:55 +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 2/2] coccinelle: Add rules to find str_false_true() replacements As done with str_true_false(), add checks for str_false_true() opportunities. A simple test can find over 9 cases currently exist in the tree. 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 50329c4c8acd..a1141bd29b3c 100644 --- a/scripts/coccinelle/api/string_choices.cocci +++ b/scripts/coccinelle/api/string_choices.cocci @@ -108,3 +108,26 @@ e << str_true_false_r.E; @@ coccilib.report.print_report(p[0], "opportunity for str_true_false(%s)" % e) + +@..._false_true depends on patch@ +expression E; +@@ +( +- ((E) ? "false" : "true") ++ str_false_true(E) +) + +@..._false_true_r depends on !patch exists@ +expression E; +position P; +@@ +( +* ((E@P) ? "false" : "true") +) + +@...ipt:python depends on report@ +p << str_false_true_r.P; +e << str_false_true_r.E; +@@ + +coccilib.report.print_report(p[0], "opportunity for str_false_true(%s)" % e) -- 2.34.1
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