From: Lukas Nykryn <lnykryn@redhat.com>
Date: Mon, 24 Feb 2014 16:06:21 +0000 (+0100)
Subject: udev: properly detect reference to unexisting part of PROGRAM's result
X-Git-Tag: v211~24
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=66390abefae6530981446970ffd7ff4d1085e254;p=thirdparty%2Fsystemd.git

udev: properly detect reference to unexisting part of PROGRAM's result
---

diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
index 0b3ade082c6..5998be2f778 100644
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -254,6 +254,8 @@ subst:
                                                 cpos++;
                                         while (isspace(cpos[0]))
                                                 cpos++;
+                                        if (cpos[0] == '\0')
+                                                break;
                                 }
                                 if (i > 0) {
                                         log_error("requested part of result string not found");