tree-wide: use coccinelle to patch a lot of code to use mfree()

This replaces this:

        free(p);
        p = NULL;

by this:

        p = mfree(p);

Change generated using coccinelle. Semantic patch is added to the
sources.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/libsystemd/sd-bus/busctl-introspect.c b/src/libsystemd/sd-bus/busctl-introspect.c
index 03e83d08a1..abe482fc46 100644
--- a/src/libsystemd/sd-bus/busctl-introspect.c
+++ b/src/libsystemd/sd-bus/busctl-introspect.c
@@ -55,8 +55,7 @@ static void context_reset_member(Context *c) {
 }
 
 static void context_reset_interface(Context *c) {
-        free(c->interface_name);
-        c->interface_name = NULL;
+        c->interface_name = mfree(c->interface_name);
         c->interface_flags = 0;
 
         context_reset_member(c);