#include <linux/bug.h>
#include <linux/printk.h>
#include <linux/uaccess.h>
#include <linux/version.h>
int printk_helper(const unsigned char *s, int len)
{
return printk(KERN_INFO "%.*s", len, (const char *)s);
}
void bug_helper(void)
{
BUG();
}
int access_ok_helper(const void __user *addr, unsigned long n)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0) /* v5.0-rc1~46 */
return access_ok(addr, n);
#else
return access_ok(0, addr, n);
#endif
}