From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Fri, 19 May 2017 01:55:44 +0000 (-0400)
Subject: sd-login: fix return value of sd_pid_get_session
X-Git-Tag: chiark/234.4-1+devuan1.1+iwj1~128
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=dafa2003518597424f6b8a82c904a4bfa70e60d0;p=elogind.git

sd-login: fix return value of sd_pid_get_session

We'd return -ENXIO, even thoug -ENODATA is documented.
---

diff --git a/src/libelogind/sd-login/sd-login.c b/src/libelogind/sd-login/sd-login.c
index 4da667cbc..3adbb34ad 100644
--- a/src/libelogind/sd-login/sd-login.c
+++ b/src/libelogind/sd-login/sd-login.c
@@ -56,11 +56,13 @@
  */
 
 _public_ int sd_pid_get_session(pid_t pid, char **session) {
+        int r;
 
         assert_return(pid >= 0, -EINVAL);
         assert_return(session, -EINVAL);
 
-        return cg_pid_get_session(pid, session);
+        r = cg_pid_get_session(pid, session);
+        return r == -ENXIO ? -ENODATA : r;
 }
 
 _public_ int sd_pid_get_unit(pid_t pid, char **unit) {