> I need to call sys_mknod from a module and I did the > #include <linux/kernel.h> > #include <linux/module.h> > #include <linux/unistd.h> > #include <linux/ctype.h> > #include <linux/fs.h> Hi there !, Try including linux/syscalls.h > extern asmlinkage long sys_mknod(const char *name, int > mode, dev_t dev); > ./Chardev.o: unresolved symbol sys_mknod Insted of this, declare a function pointer to point to sys_mknod function, get the address of sys_mknod from sys_call_table[__NR_mknod] and then use that function pointer to call sys_mknod. What is happening in your case is the kernel is not getting the definition of the sys_mknod in your modules object file that's why throws an error above... -- regards -Prasad PS: All corrections are most welcome...! -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
