tree-wide: use mfree more

5 files changed, 7 insertions, 16 deletions

diff --git a/src/core/dynamic-user.c b/src/core/dynamic-user.c
index 1043da3eb7..e1846e1adb 100644
--- a/src/core/dynamic-user.c
+++ b/src/core/dynamic-user.c
@@ -42,9 +42,7 @@ static DynamicUser* dynamic_user_free(DynamicUser *d) {
                 (void) hashmap_remove(d->manager->dynamic_users, d->name);
 
         safe_close_pair(d->storage_socket);
-        free(d);
-
-        return NULL;
+        return mfree(d);
 }
 
 static int dynamic_user_add(Manager *m, const char *name, int storage_socket[2], DynamicUser **ret) {
diff --git a/src/core/execute.c b/src/core/execute.c
index 869522704a..59c2bd0dd2 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -3740,9 +3740,7 @@ ExecRuntime *exec_runtime_unref(ExecRuntime *r) {
         free(r->tmp_dir);
         free(r->var_tmp_dir);
         safe_close_pair(r->netns_storage_socket);
-        free(r);
-
-        return NULL;
+        return mfree(r);
 }
 
 int exec_runtime_serialize(Unit *u, ExecRuntime *rt, FILE *f, FDSet *fds) {
diff --git a/src/core/manager.c b/src/core/manager.c
index 3569249788..50aae0d1ba 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -1119,8 +1119,7 @@ Manager* manager_free(Manager *m) {
         hashmap_free(m->uid_refs);
         hashmap_free(m->gid_refs);
 
-        free(m);
-        return NULL;
+        return mfree(m);
 }
 
 void manager_enumerate(Manager *m) {
diff --git a/src/core/transaction.c b/src/core/transaction.c
index 8370b864fb..e22e3b30c2 100644
--- a/src/core/transaction.c
+++ b/src/core/transaction.c
@@ -1085,10 +1085,8 @@ Transaction *transaction_new(bool irreversible) {
                 return NULL;
 
         tr->jobs = hashmap_new(NULL);
-        if (!tr->jobs) {
-                free(tr);
-                return NULL;
-        }
+        if (!tr->jobs)
+                return mfree(tr);
 
         tr->irreversible = irreversible;
 
diff --git a/src/core/unit.c b/src/core/unit.c
index 67668bdc48..a6b8ecdcb7 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -88,10 +88,8 @@ Unit *unit_new(Manager *m, size_t size) {
                 return NULL;
 
         u->names = set_new(&string_hash_ops);
-        if (!u->names) {
-                free(u);
-                return NULL;
-        }
+        if (!u->names)
+                return mfree(u);
 
         u->manager = m;
         u->type = _UNIT_TYPE_INVALID;