1 files changed, 22 insertions, 0 deletions
diff --git a/coccinelle/take-fd.cocci b/coccinelle/take-fd.cocci
new file mode 100644
index 0000000..15f1e7c
--- /dev/null
+++ b/coccinelle/take-fd.cocci
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+@@
+local idexpression p;
+expression q;
+@@
+- p = q;
+- q = -EBADF;
+- return p;
++ return TAKE_FD(q);
+
+/* The ideal solution would use 'local idexpression' to avoid matching errno,
+ * which is a global variable. However, 'idexpression' nor 'identifier'
+ * would match, for example, "x->fd", which is considered 'expression' in
+ * the SmPL grammar
+ */
+@@
+expression p != errno;
+expression q;
+@@
+- p = q;
+- q = -EBADF;
++ p = TAKE_FD(q);