4.9-stable review patch. If anyone has any objections, please let me know.
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From: Netanel Belgazal netanel@amazon.com
[ Upstream commit 0857d92f71b6cb75281fde913554b2d5436c394b ]
This patch also change the mapping functions to devm_ functions
Fixes: 1738cd3ed342 ("Add a driver for Amazon Elastic Network Adapters (ENA)") Signed-off-by: Netanel Belgazal netanel@amazon.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/amazon/ena/ena_netdev.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -2808,6 +2808,11 @@ static void ena_release_bars(struct ena_ { int release_bars;
+ if (ena_dev->mem_bar) + devm_iounmap(&pdev->dev, ena_dev->mem_bar); + + devm_iounmap(&pdev->dev, ena_dev->reg_bar); + release_bars = pci_select_bars(pdev, IORESOURCE_MEM) & ENA_BAR_MASK; pci_release_selected_regions(pdev, release_bars); } @@ -2895,8 +2900,9 @@ static int ena_probe(struct pci_dev *pde goto err_free_ena_dev; }
- ena_dev->reg_bar = ioremap(pci_resource_start(pdev, ENA_REG_BAR), - pci_resource_len(pdev, ENA_REG_BAR)); + ena_dev->reg_bar = devm_ioremap(&pdev->dev, + pci_resource_start(pdev, ENA_REG_BAR), + pci_resource_len(pdev, ENA_REG_BAR)); if (!ena_dev->reg_bar) { dev_err(&pdev->dev, "failed to remap regs bar\n"); rc = -EFAULT; @@ -2916,8 +2922,9 @@ static int ena_probe(struct pci_dev *pde ena_set_push_mode(pdev, ena_dev, &get_feat_ctx);
if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) { - ena_dev->mem_bar = ioremap_wc(pci_resource_start(pdev, ENA_MEM_BAR), - pci_resource_len(pdev, ENA_MEM_BAR)); + ena_dev->mem_bar = devm_ioremap_wc(&pdev->dev, + pci_resource_start(pdev, ENA_MEM_BAR), + pci_resource_len(pdev, ENA_MEM_BAR)); if (!ena_dev->mem_bar) { rc = -EFAULT; goto err_device_destroy;