From f156e60c66fa23dda076e4a12538fb63ee0daba8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
Date: Mon, 23 Dec 2019 23:06:38 +0100
Subject: [PATCH] core: unit_label_path(): take const unit

---
 src/core/unit.c | 4 +++-
 src/core/unit.h | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/core/unit.c b/src/core/unit.c
index 3f616e7acf..279619f039 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -5803,9 +5803,11 @@ bool unit_needs_console(Unit *u) {
         return exec_context_may_touch_console(ec);
 }
 
-const char *unit_label_path(Unit *u) {
+const char *unit_label_path(const Unit *u) {
         const char *p;
 
+        assert(u);
+
         /* Returns the file system path to use for MAC access decisions, i.e. the file to read the SELinux label off
          * when validating access checks. */
 
diff --git a/src/core/unit.h b/src/core/unit.h
index 38d681dfb8..999c7a7d83 100644
--- a/src/core/unit.h
+++ b/src/core/unit.h
@@ -842,7 +842,7 @@ int unit_warn_leftover_processes(Unit *u);
 
 bool unit_needs_console(Unit *u);
 
-const char *unit_label_path(Unit *u);
+const char *unit_label_path(const Unit *u);
 
 int unit_pid_attachable(Unit *unit, pid_t pid, sd_bus_error *error);