/root/Downloads/Linux/UTIL/os/linux/../../os/linux/rt_linux.c:2298:21: warning: unused variable ‘net_dev’ [-Wunused-variable]
  struct net_device *net_dev = (struct net_device *)pNetDev;
                     ^
/root/Downloads/Linux/UTIL/os/linux/../../os/linux/rt_linux.c: In function ‘RtmpOsFreeSpinLock’:
/root/Downloads/Linux/UTIL/os/linux/../../os/linux/rt_linux.c:4317:8: warning: assignment from incompatible pointer type [enabled by default]
  pLock = (OS_NDIS_MINIPORT_TIMER *) (pLockOrg->pContent);
        ^
make[3]: *** [/root/Downloads/Linux/UTIL/os/linux/../../os/linux/rt_linux.o] Error 1
make[2]: *** [_module_/root/Downloads/Linux/UTIL/os/linux] Error 2
make[2]: Leaving directory `/usr/src/linux-headers-3.13.0-24-generic'
make[1]: *** [osutil] Error 2
make[1]: Leaving directory `/root/Downloads/Linux/UTIL'