From: Fuyun Liang <liangfuyun1@huawei.com>
Date: Tue, 15 May 2018 19:20:14 +0100
Subject: net: hns3: Fixes the missing PCI iounmap for various legs
Patch-mainline: v4.18-rc1
Git-commit: 6a814413eb9eb76d61de154d4f7b46e2a1558d7a
References: bsc#1104353 FATE#326415
We call pcim_iomap in hclge_pci_init, pcim_iounmap should be called
in error handle of hclge_init_ae_dev.
We call pcim_iomap in hclge_pci_init, but do not call pcim_iounmap in
hclge_pci_uninit. When we remove the hclge.ko and insert it again, a
problem that pci can not map will happen. pcim_iounmap need to be called
in hclge_pci_uninit.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -5425,6 +5425,7 @@ static void hclge_pci_uninit(struct hclg
{
struct pci_dev *pdev = hdev->pdev;
+ pcim_iounmap(pdev, hdev->hw.io_base);
pci_free_irq_vectors(pdev);
pci_clear_master(pdev);
pci_release_mem_regions(pdev);
@@ -5590,6 +5591,7 @@ err_msi_uninit:
err_cmd_uninit:
hclge_destroy_cmd_queue(&hdev->hw);
err_pci_uninit:
+ pcim_iounmap(pdev, hdev->hw.io_base);
pci_clear_master(pdev);
pci_release_regions(pdev);
pci_disable_device(pdev);