4.14-stable review patch. If anyone has any objections, please let me know.
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From: qumingguang qumingguang@huawei.com
[ Upstream commit ae064e6123f89f90af7e4ea190cc0c612643ca93 ]
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 Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c @@ -2460,9 +2460,8 @@ static int hns3_nic_uninit_vector_data(s (void)irq_set_affinity_hint( priv->tqp_vector[i].vector_irq, NULL); - devm_free_irq(&pdev->dev, - priv->tqp_vector[i].vector_irq, - &priv->tqp_vector[i]); + free_irq(priv->tqp_vector[i].vector_irq, + &priv->tqp_vector[i]); }
priv->ring_data[i].ring->irq_init_flag = HNS3_VECTOR_NOT_INITED;