linux-hardening - [PATCH] gcc-plugins: Remove unneeded return variable

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Message-Id: <1612167180-7136-1-git-send-email-yang.lee@linux.alibaba.com>
Date:   Mon,  1 Feb 2021 16:13:00 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     keescook@...omium.org
Cc:     linux-hardening@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] gcc-plugins: Remove unneeded return variable

This patch removes unneeded return variables, using only
'0' instead.
It fixes the following warning detected by coccinelle:
./scripts/gcc-plugins/structleak_plugin.c:173:14-17: Unneeded variable:
"ret". Return "0" on line 203

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 scripts/gcc-plugins/structleak_plugin.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/scripts/gcc-plugins/structleak_plugin.c b/scripts/gcc-plugins/structleak_plugin.c
index 29b480c..d7190e4 100644
--- a/scripts/gcc-plugins/structleak_plugin.c
+++ b/scripts/gcc-plugins/structleak_plugin.c
@@ -170,7 +170,6 @@ static void initialize(tree var)
 static unsigned int structleak_execute(void)
 {
 	basic_block bb;
-	unsigned int ret = 0;
 	tree var;
 	unsigned int i;
 
@@ -200,7 +199,7 @@ static unsigned int structleak_execute(void)
 			initialize(var);
 	}
 
-	return ret;
+	return 0;
 }
 
 #define PASS_NAME structleak
-- 
1.8.3.1