ATTR{}== always fails if the attribute does not exist

[elogind.git] / udev / udev-rules.c

diff --git a/udev/udev-rules.c b/udev/udev-rules.c
index 665ad71e80f3289a1234930e1ab0b06fa4c48503..f6cc45ba750d670d8e54fc16be98f838e474e628 100644 (file)
--- a/udev/udev-rules.c
+++ b/udev/udev-rules.c
@@ -1808,11 +1808,10 @@ static int match_attr(struct udev_rules *rules, struct udev_device *dev, struct
                const char *val;
 
                val = udev_device_get_sysattr_value(dev, key_name);
-               if (val != NULL)
-                       util_strlcpy(value, val, sizeof(value));
+               if (val == NULL)
+                       return -1;
+               util_strlcpy(value, val, sizeof(value));
        }
-       if (value[0] == '\0')
-               return -1;
 
        /* strip trailing whitespace of value, if not asked to match for it */
        len = strlen(key_value);