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/login/logind-user.c b/src/login/logind-user.c
index 5d8a7571cd..f2c89e3653 100644
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -560,8 +560,7 @@ static int user_remove_runtime_path(User *u) {
         if (r < 0)
                 log_error_errno(r, "Failed to remove runtime directory %s: %m", u->runtime_path);
 
-        free(u->runtime_path);
-        u->runtime_path = NULL;
+        u->runtime_path = mfree(u->runtime_path);
 
         return r;
 }