scripts/coccinelle/return_directly.cocci


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// replace 'R = X; return R;' with 'return X;'
@@
identifier VAR;
expression E;
type T;
identifier F;
@@
 T F(...)
 {
     ...
-    T VAR;
     ... when != VAR

-    VAR = (E);
-    return VAR;
+    return E;
     ... when != VAR
 }