watchdog: fix fd validity check

2021-10-18 11:27:39 +02:00
parent ef52fa5bd1
commit d9752ca196
1 changed files with 1 additions and 1 deletions
@@ -42,7 +42,7 @@ static int watchdog_set_enable(bool enable) {
 static int watchdog_get_timeout(void) {
        int sec = 0;

-        assert(watchdog_fd > 0);
+        assert(watchdog_fd >= 0);

        if (ioctl(watchdog_fd, WDIOC_GETTIMEOUT, &sec) < 0)
                return -errno;