From 15e23e8cdf19ecb2a253d12fd53c88856a529f7d Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 5 Jan 2018 12:19:22 +0100
Subject: [PATCH] manager: make use of pid_is_valid() where appropriate

---
 src/core/manager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/manager.c b/src/core/manager.c
index 6f50b177e01..35cd9ee8791 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -1977,7 +1977,7 @@ static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t
                 }
         }
 
-        if (!ucred || ucred->pid <= 0) {
+        if (!ucred || !pid_is_valid(ucred->pid)) {
                 log_warning("Received notify message without valid credentials. Ignoring.");
                 return 0;
         }