tools: Add coccinelle script to catch typecasts to same type

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>

diff --git a/tools/coccinelle/same_type_casting.cocci b/tools/coccinelle/same_type_casting.cocci
new file mode 100644 (file)
index 0000000..58fd756
--- /dev/null
+++ b/tools/coccinelle/same_type_casting.cocci
@@ -0,0 +1,7 @@
+@@
+type T;
+T *ptr;
+@@
+
+- (T *)ptr
++ ptr