From 13b70c13553c94c444f149bd086bd3e8d9cc39b6 Mon Sep 17 00:00:00 2001
From: Evgeny Vereshchagin <evvers@ya.ru>
Date: Thu, 29 Oct 2015 14:13:04 +0300
Subject: [PATCH] core: fix capability bounding set parsing

bug: CapabilityBoundingSet= doesn't reset all caps

Cherry-picked from: 661b37b
Resolves: #1409586
---
 src/core/load-fragment.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index 90d42b002f..7056419715 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -1069,7 +1069,7 @@ int config_parse_bounding_set(const char *unit,
                            "Trailing garbage, ignoring.");
 
         capability_bounding_set = invert ? ~sum : sum;
-        if (*capability_bounding_set_drop)
+        if (*capability_bounding_set_drop && capability_bounding_set)
                 *capability_bounding_set_drop = ~(~*capability_bounding_set_drop | capability_bounding_set);
         else
                 *capability_bounding_set_drop = ~capability_bounding_set;