From 102ef9829ed72d3991cb73bc893880d715e667c5 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 1 Sep 2015 18:53:29 +0200
Subject: core: don't allow changing the slice of a unit while it is active

---
 src/core/unit.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/core')

diff --git a/src/core/unit.c b/src/core/unit.c
index 64ab49dc4a..a43f1d7785 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2441,6 +2441,9 @@ int unit_set_slice(Unit *u, Unit *slice) {
         if (u->type == UNIT_SLICE)
                 return -EINVAL;
 
+        if (unit_active_state(u) != UNIT_INACTIVE)
+                return -EBUSY;
+
         if (slice->type != UNIT_SLICE)
                 return -EINVAL;
 
-- 
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