From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Sun, 24 Sep 2017 12:27:21 +0000 (+0200)
Subject: fileio: return 0 from read_one_line_file on success
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=41e24afd2ef0f837083bb08adef8e0d55d54cf10;p=elogind.git

fileio: return 0 from read_one_line_file on success

Fixup for f4b51a2d09. Suggested by Evgeny Vereshchagin.
---

diff --git a/src/basic/fileio.c b/src/basic/fileio.c
index 13c9a224a..60b34f125 100644
--- a/src/basic/fileio.c
+++ b/src/basic/fileio.c
@@ -176,6 +176,7 @@ fail:
 
 int read_one_line_file(const char *fn, char **line) {
         _cleanup_fclose_ FILE *f = NULL;
+        int r;
 
         assert(fn);
         assert(line);
@@ -184,7 +185,8 @@ int read_one_line_file(const char *fn, char **line) {
         if (!f)
                 return -errno;
 
-        return read_line(f, LONG_LINE_MAX, line);
+        r = read_line(f, LONG_LINE_MAX, line);
+        return r < 0 ? r : 0;
 }
 
 int verify_file(const char *fn, const char *blob, bool accept_extra_nl) {