diff --git a/scripts/coccinelle/bool_expression.cocci b/scripts/coccinelle/bool_expression.cocci
new file mode 100644
index 0000000000..c0c329cb59
--- /dev/null
+++ b/scripts/coccinelle/bool_expression.cocci
@@ -0,0 +1,29 @@
+@@
+bool t;
+@@
+
+(
+- t == true
++ t
+|
+- true == t
++ t
+|
+- t != true
++ !t
+|
+- true != t
++ !t
+|
+- t == false
++ !t
+|
+- false == t
++ !t
+|
+- t != false
++ t
+|
+- false != t
++ t
+)