fix "do not access parent" warning for ATTR{}

diff --git a/udev_rules_parse.c b/udev_rules_parse.c
index bfbad36..02bddbd 100644 (file)
--- a/udev_rules_parse.c
+++ b/udev_rules_parse.c
@@ -376,7 +376,7 @@ static int add_to_rules(struct udev_rules *rules, char *line, const char *filena
                        if (strncmp(attr, "device/", 7) == 0)
                                err("the 'device' link is deprecated and will be removed from a future kernel, "
                                    "please fix it in %s:%u", filename, lineno);
                        if (strncmp(attr, "device/", 7) == 0)
                                err("the 'device' link is deprecated and will be removed from a future kernel, "
                                    "please fix it in %s:%u", filename, lineno);

-                       else if (strchr(attr, '/') != NULL)
+                       else if (strstr(attr, "../") != NULL)

                                err("do not reference parent sysfs directories directly, that may break with a future kernel, "
                                    "please fix it in %s:%u", filename, lineno);
                        if (add_rule_key_pair(rule, &rule->attrs, operation, attr, value) != 0)
                                err("do not reference parent sysfs directories directly, that may break with a future kernel, "
                                    "please fix it in %s:%u", filename, lineno);
                        if (add_rule_key_pair(rule, &rule->attrs, operation, attr, value) != 0)