tree-wide: introduce free_and_replace helper

[elogind.git] / coccinelle / free_and_replace.cocci

diff --git a/coccinelle/free_and_replace.cocci b/coccinelle/free_and_replace.cocci
new file mode 100644 (file)
index 0000000..9dcdbf4
--- /dev/null
+++ b/coccinelle/free_and_replace.cocci
@@ -0,0 +1,15 @@
+@@
+expression p, q;
+@@
+- free(p);
+- p = q;
+- q = NULL;
+- return 0;
++ return free_and_replace(p, q);
+@@
+expression p, q;
+@@
+- free(p);
+- p = q;
+- q = NULL;
++ free_and_replace(p, q);