udev: handle event_timeout=infinity correctly

This is a paranoia, as even USEC_INFINITY / 3 is finite, it is still so large
in general.

diff --git a/src/udev/udev-spawn.h b/src/udev/udev-spawn.h
index 5efea2e8862474bc3e134ae3bc55d9a0bc74401e..ba6f1ae872ed081aba685fb4d8705f4ba924bcd0 100644 (file)
--- a/src/udev/udev-spawn.h
+++ b/src/udev/udev-spawn.h
@@ -24,5 +24,8 @@ int udev_event_spawn(
 void udev_event_execute_run(UdevEvent *event, usec_t timeout_usec, int timeout_signal);
 
 static inline usec_t udev_warn_timeout(usec_t timeout_usec) {
+        if (timeout_usec == USEC_INFINITY)
+                return USEC_INFINITY;
+
         return DIV_ROUND_UP(timeout_usec, 3);
 }