net: hns3: Fix a misuse to devm_free_irq
we should use free_irq to free the nic irq during the unloading time. because we use request_irq to apply it when nic up. It will crash if up net device after reset the port. This patch fixes the issue. Signed-off-by: qumingguang <qumingguang@huawei.com> Signed-off-by: Lipeng <lipeng321@huawei.com> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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