From: Kay Sievers <kay.sievers@suse.de>
Date: Sat, 16 Jul 2005 03:50:34 +0000 (+0200)
Subject: thread unknown ENV{key} match as empty value
X-Git-Tag: 064~10
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=c609f627fae97bef5f163eb2eb993d3c8211f768

thread unknown ENV{key} match as empty value

This way we can run a rule if a certain key is not set by:
  ENV{key}="" or ENV{key}!="?*"

Signed-off-by: Kay Sievers <kay.sievers@suse.de>
---

diff --git a/udev_rules.c b/udev_rules.c
index 5669a8593..4bf05cd43 100644
--- a/udev_rules.c
+++ b/udev_rules.c
@@ -748,8 +748,8 @@ static int match_rule(struct udevice *udev, struct udev_rule *rule,
 			const char *value = getenv(key_name);
 
 			if (!value) {
-				dbg("ENV{'%s'} is not found", key_name);
-				goto exit;
+				dbg("ENV{'%s'} is not set", key_name);
+				value = "";
 			}
 			if (match_key("ENV", rule, &pair->key, value))
 				goto exit;