syscall_set_return_value
syscall_set_return_value(task, regs, -ENOSYS, 0);
syscall_set_return_value(task, regs, -ENOSYS, 0);
syscall_set_return_value(current, regs, -EINTR, 0);
syscall_set_return_value(current, regs, -ERESTARTNOINTR, 0);
syscall_set_return_value(current, regs, -ENOSYS, 0);
syscall_set_return_value(current, regs, 0, ret);
syscall_set_return_value(current, regs, -ENOSYS, 0);
void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
syscall_set_return_value(child, regs, rval, 0);
syscall_set_return_value(child, regs, 0, rval);
syscall_set_return_value(current, current_pt_regs(),
syscall_set_return_value(current, current_pt_regs(),
syscall_set_return_value(current,