From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 4 Jun 2018 16:03:57 +0000 (+0200)
Subject: core: use device_found_to_string_many() result only on success
X-Git-Tag: v239~123^2~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43ba7d71e550908be101c6d00eb3e8f0e372db4e;p=thirdparty%2Fsystemd.git

core: use device_found_to_string_many() result only on success
---

diff --git a/src/core/device.c b/src/core/device.c
index 30707d07a75..9d09a219d5d 100644
--- a/src/core/device.c
+++ b/src/core/device.c
@@ -222,8 +222,8 @@ static int device_serialize(Unit *u, FILE *f, FDSet *fds) {
 
         unit_serialize_item(u, f, "state", device_state_to_string(d->state));
 
-        (void) device_found_to_string_many(d->found, &s);
-        unit_serialize_item(u, f, "found", s);
+        if (device_found_to_string_many(d->found, &s) >= 0)
+                unit_serialize_item(u, f, "found", s);
 
         return 0;
 }