Commit 8b662fe7 authored by Gavin Shan's avatar Gavin Shan Committed by David S. Miller

net/cxgb4: Fix referencing freed adapter

The adapter is freed before we check its flags. It was caused
by commit 144be3d9 ("net/cxgb4: Avoid disabling PCI device for
towice"). The problem was reported by Intel's "0-day" tool.

The patch fixes it to avoid reverting commit 144be3d9.
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarGavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 33d99113
......@@ -6163,13 +6163,13 @@ static void remove_one(struct pci_dev *pdev)
iounmap(adapter->regs);
if (!is_t4(adapter->params.chip))
iounmap(adapter->bar2);
kfree(adapter);
pci_disable_pcie_error_reporting(pdev);
if ((adapter->flags & DEV_ENABLED)) {
pci_disable_device(pdev);
adapter->flags &= ~DEV_ENABLED;
}
pci_release_regions(pdev);
kfree(adapter);
} else
pci_release_regions(pdev);
}
......
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