--- a/vboxdrv/r0drv/linux/timer-r0drv-linux.c
+++ b/vboxdrv/r0drv/linux/timer-r0drv-linux.c
751c751
<     PRTTIMERLNXSUBTIMER pSubTimer = from_timer(pSubTimer, pLnxTimer, u.Std.LnxTimer);
---
>     PRTTIMERLNXSUBTIMER pSubTimer = timer_container_of(pSubTimer, pLnxTimer, u.Std.LnxTimer);