[PATCH] gcc-plugins: Remove unneeded return variable

[Yang Li]

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 <ab...@linux.alibaba.com>
Signed-off-by: Yang Li <yang....@linux.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