udevd: simplify rules execution loop

cur can't become NULL, and the check for TK_END
can be folded into the switch statement.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>

diff --git a/udev/udev-rules.c b/udev/udev-rules.c
index a6f9220352de5fc6caa1542019ee7da81f487253..665ad71e80f3289a1234930e1ab0b06fa4c48503 100644 (file)
--- a/udev/udev-rules.c
+++ b/udev/udev-rules.c
@@ -1843,7 +1843,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
        /* loop through token list, match, run actions or forward to next rule */
        cur = &rules->tokens[0];
        rule = cur;
-       while (cur != NULL && cur->type != TK_END) {
+       while (1) {
                unsigned int idx;
 
                dump_token(rules, cur);
@@ -2319,11 +2319,11 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                        cur = &rules->tokens[cur->key.rule_goto];
                        continue;
                case TK_A_LAST_RULE:
+               case TK_END:
                        break;
 
                case TK_M_PARENTS_MAX:
                case TK_M_MAX:
-               case TK_END:
                case TK_UNSET:
                        err(rules->udev, "wrong type %u\n", cur->type);
                        goto nomatch;