From c28c4486af3fd970aef599be65e9c2d424765329 Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay.sievers@vrfy.org>
Date: Thu, 16 Oct 2008 21:35:11 +0200
Subject: [PATCH] run_program: prevent empty last argv entry

---
 udev/udev-rules.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/udev/udev-rules.c b/udev/udev-rules.c
index 8b94d40c..0bad2171 100644
--- a/udev/udev-rules.c
+++ b/udev/udev-rules.c
@@ -138,9 +138,9 @@ static int run_program(struct udev_device *dev, const char *command,
 	if (strchr(arg, ' ') != NULL) {
 		char *pos = arg;
 
-		while (pos != NULL) {
+		while (pos != NULL && pos[0] != '\0') {
 			if (pos[0] == '\'') {
-				/* don't separate if in apostrophes */
+				/* do not separate quotes */
 				pos++;
 				argv[i] = strsep(&pos, "\'");
 				while (pos != NULL && pos[0] == ' ')
-- 
2.39.5