The refactoring of rx copybreak modifies the original return logic, which
will make this feature unavailable. So this patch fixes the return logic of
rx copybreak.

Fixes: e74a726d ("net: hns3: refactor hns3_nic_reuse_page()")
Fixes: 99f6b5fb ("net: hns3: use bounce buffer when rx page can not be reused")
Signed-off-by: Jie Wang <wangjie125@huawei.com>
Signed-off-by: Hao Lan <lanhao@huawei.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>