unit: shortcut unit_notify() early, if possible

1 files changed, 3 insertions, 0 deletions

diff --git a/target.c b/target.c
index b8a7442f1..c80c09d54 100644
--- a/target.c
+++ b/target.c
@@ -52,6 +52,9 @@ static void target_set_state(Target *t, TargetState state) {
         TargetState old_state;
         assert(t);
 
+        if (state == t->state)
+                return;
+
         old_state = t->state;
         t->state = state;