From: Karel Zak <kzak@redhat.com>
Date: Fri, 10 Dec 2010 16:07:44 +0000 (+0100)
Subject: vipw: fix warn_unused_result gcc warning
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18be404b29204db395ccb3c5bf7971b49ccdfa98;p=util-linux

vipw: fix warn_unused_result gcc warning

vipw.c:194:6: warning: ignoring return value of ‘link’, declared with
attribute warn_unused_result

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/login-utils/vipw.c b/login-utils/vipw.c
index 64d40c99..5750e6f9 100644
--- a/login-utils/vipw.c
+++ b/login-utils/vipw.c
@@ -191,7 +191,9 @@ pw_unlock(void) {
   
 	sprintf(tmp, "%s%s", orig_file, ".OLD");
 	unlink(tmp);
-	link(orig_file, tmp);
+
+	if (link(orig_file, tmp))
+		warn(_("%s: create a link to %s failed"), orig_file, tmp);
 
 #ifdef HAVE_LIBSELINUX
 	if (is_selinux_enabled() > 0) {