tree-wide: take benefit of the fact that hashmap_free() returns NULL

And set_free() too.

Another Coccinelle patch.

1 files changed, 3 insertions, 8 deletions

diff --git a/src/core/execute.c b/src/core/execute.c
index 86c2a80673..d1acda6682 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -2025,14 +2025,9 @@ void exec_context_done(ExecContext *c) {
         c->selinux_context = mfree(c->selinux_context);
         c->apparmor_profile = mfree(c->apparmor_profile);
 
-        set_free(c->syscall_filter);
-        c->syscall_filter = NULL;
-
-        set_free(c->syscall_archs);
-        c->syscall_archs = NULL;
-
-        set_free(c->address_families);
-        c->address_families = NULL;
+        c->syscall_filter = set_free(c->syscall_filter);
+        c->syscall_archs = set_free(c->syscall_archs);
+        c->address_families = set_free(c->address_families);
 
         c->runtime_directory = strv_free(c->runtime_directory);