devnum-util: add new devnum_is_zero() helper

2023-03-29 18:27:05 +02:00
parent d83ce13636
commit d80e2a1ed3
4 changed files with 7 additions and 3 deletions
@@ -979,7 +979,7 @@ int get_ctty_devnr(pid_t pid, dev_t *d) {
                   &ttynr) != 1)
                return -EIO;

-        if (major(ttynr) == 0 && minor(ttynr) == 0)
+        if (devnum_is_zero(ttynr))
                return -ENXIO;

        if (d)