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From 5efee680aa8f55c825be62e2e714f88d5c88066b Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Sun, 15 Mar 2015 12:12:19 -0400
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Subject: [PATCH] core: remove useless debug message
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Mar 13 19:48:28 adam.happyassassin.net systemd[1]: Collecting (null)
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Mar 13 19:48:28 adam.happyassassin.net systemd[1]: Collecting (null)
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Mar 13 19:48:28 adam.happyassassin.net systemd[1]: Collecting (null)
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Mar 13 19:48:28 adam.happyassassin.net systemd[1]: Collecting (null)
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Mar 13 19:48:28 adam.happyassassin.net systemd[1]: Collecting (null)
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Mar 13 19:48:28 adam.happyassassin.net systemd[1]: Collecting (null)
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Mar 13 19:48:28 adam.happyassassin.net systemd[1]: Collecting (null)
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(cherry picked from commit cc3bc3e6203e0c615e31b8b68796362e1385f28a)
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---
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 src/core/manager.c | 3 ++-
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 1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/src/core/manager.c b/src/core/manager.c
c62b8e
index 203a6a0a1a..7483a96ec6 100644
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--- a/src/core/manager.c
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+++ b/src/core/manager.c
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@@ -844,7 +844,8 @@ static unsigned manager_dispatch_gc_queue(Manager *m) {
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                 if (u->gc_marker == gc_marker + GC_OFFSET_BAD ||
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                     u->gc_marker == gc_marker + GC_OFFSET_UNSURE) {
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-                        log_unit_debug(u->id, "Collecting %s", u->id);
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+                        if (u->id)
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+                                log_unit_debug(u->id, "Collecting %s", u->id);
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                         u->gc_marker = gc_marker + GC_OFFSET_BAD;
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                         unit_add_to_cleanup_queue(u);
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                 }