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wil6210: fix access after free in wil_pcie_remove() 

'wil'  released in wil_if_free(); save iomapped address aside to
properly unmap it.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev 2014-08-06 10:32:01 +03:00 committed by John W. Linville
parent 48e81a15fa
commit 560ce30872
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/ath/wil6210/pcie_bus.c
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@ -218,12 +218,13 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
static void wil_pcie_remove(struct pci_dev *pdev)
{
struct wil6210_priv *wil = pci_get_drvdata(pdev);
void __iomem *csr = wil->csr;
wil6210_debugfs_remove(wil);
wil_if_pcie_disable(wil);
wil_if_remove(wil);
wil_if_free(wil);
pci_iounmap(pdev, wil->csr);
pci_iounmap(pdev, csr);
pci_release_region(pdev, 0);
pci_disable_device(pdev);
}