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From e1c7d367b8523ec8c9ef3deb81a1cfd879944171 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 22 May 2014 16:56:21 +0900
Subject: [PATCH] socket: properly handle if our service vanished during
 runtime

(cherry-picked from 640ace4a8de907994a1b95f6d368c3e6a8fcf60f)

Resolves: #1147524
---
 src/core/socket.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/core/socket.c b/src/core/socket.c
index 35fc204..958d063 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -1610,6 +1610,12 @@ static void socket_enter_running(Socket *s, int cfd) {
                         }
 
                 if (!pending) {
+                        if (!UNIT_ISSET(s->service)) {
+                                log_error_unit(UNIT(s)->id, "%s: service to activate vanished, refusing activation.", UNIT(s)->id);
+                                r = -ENOENT;
+                                goto fail;
+                        }
+
                         r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT_DEREF(s->service), JOB_REPLACE, true, &error, NULL);
                         if (r < 0)
                                 goto fail;