From: Kay Sievers <kay@vrfy.org>
Date: Mon, 6 Jul 2015 21:00:49 +0000 (+0200)
Subject: get_process_environ: exit early when there is nothing to read
X-Git-Tag: v222~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de8763b6d23963e14787556de159d813e863043f;p=thirdparty%2Fsystemd.git

get_process_environ: exit early when there is nothing to read
---

diff --git a/src/basic/process-util.c b/src/basic/process-util.c
index cfc876567dc..2c05f2fee4c 100644
--- a/src/basic/process-util.c
+++ b/src/basic/process-util.c
@@ -329,6 +329,9 @@ int get_process_environ(pid_t pid, char **env) {
                         sz += cescape_char(c, outcome + sz);
         }
 
+        if (sz == 0)
+                return -ENOENT;
+
         outcome[sz] = '\0';
         *env = outcome;
         outcome = NULL;