From a6149b93afeb4e7b37e1313920ac2e0a91ff1c08 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 28 Aug 2015 19:29:03 +0200
Subject: [PATCH] process-util: trivial optimization

---
 src/basic/process-util.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/basic/process-util.c b/src/basic/process-util.c
index 61f188467f8..cff2d2a0348 100644
--- a/src/basic/process-util.c
+++ b/src/basic/process-util.c
@@ -181,10 +181,10 @@ int is_kernel_thread(pid_t pid) {
         bool eof;
         FILE *f;
 
-        if (pid == 0)
+        if (pid == 0 || pid == 1) /* pid 1, and we ourselves certainly aren't a kernel thread */
                 return 0;
 
-        assert(pid > 0);
+        assert(pid > 1);
 
         p = procfs_file_alloca(pid, "cmdline");
         f = fopen(p, "re");