Function binder_transfer_binder 

pub fn binder_transfer_binder(
    current_task: &CurrentTask,
    source_creds: &Credentials,
    target_creds: &Credentials,
) -> Result<(), Errno>

Checks whether the given current_task can transfer Binder objects from source_creds to target_creds. Corresponds to the binder_transfer_binder hook.