From: Roy Marples <roy@marples.name>
Date: Mon, 30 Jan 2012 16:59:48 +0000 (+0000)
Subject: Don't attempt to run the script if it's an NULL, an empty string or /dev/null
X-Git-Tag: v5.5.1~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bb25289b0f18bf87810164f5e76cfaffa75286d9;p=thirdparty%2Fdhcpcd.git

Don't attempt to run the script if it's an NULL, an empty string or /dev/null
---

diff --git a/configure.c b/configure.c
index db5b0ec2..90185375 100644
--- a/configure.c
+++ b/configure.c
@@ -329,6 +329,11 @@ run_script(const struct interface *iface)
 	const struct fd_list *fd;
 	struct iovec iov[2];
 
+	if (iface->state->options->script == NULL ||
+	    iface->state->options->script[0] == '\0' ||
+	    strcmp(iface->state->options->script, "/dev/null") == 0)
+		return 0;
+
 	syslog(LOG_DEBUG, "%s: executing `%s', reason %s",
 	    iface->name, argv[0], iface->state->reason);