selinux: split up mac_selinux_have() from mac_selinux_use()

Let's distuingish the cases where our code takes an active role in
selinux management, or just passively reports whatever selinux
properties are set.

mac_selinux_have() now checks whether selinux is around for the passive
stuff, and mac_selinux_use() for the active stuff. The latter checks the
former, plus also checks UID == 0, under the assumption that only when
we run priviliged selinux management really makes sense.

Fixes: #1941

1 files changed, 1 insertions, 1 deletions

diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
index 7d11a568aa..eb17f413f2 100644
--- a/src/journal/journald-server.c
+++ b/src/journal/journald-server.c
@@ -707,7 +707,7 @@ static void dispatch_message_real(
                 }
 
 #ifdef HAVE_SELINUX
-                if (mac_selinux_use()) {
+                if (mac_selinux_have()) {
                         if (label) {
                                 x = alloca(strlen("_SELINUX_CONTEXT=") + label_len + 1);