1 --- a/src/linux/ifxos_linux_thread_drv.c
2 +++ b/src/linux/ifxos_linux_thread_drv.c
4 #include <linux/sched.h>
5 #include <linux/version.h>
6 #include <linux/completion.h>
7 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
8 #include <linux/smp_lock.h>
10 #include <linux/signal.h>