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[PATCH 14/14] wil6210: fix access after free in wil_pcie_remove()

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From: Vladimir Kondratiev <qca_vkondrat@xxxxxxxxxxxxxxxx>

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

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@xxxxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/wil6210/pcie_bus.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c
index cf0b219..38dcbea 100644
--- a/drivers/net/wireless/ath/wil6210/pcie_bus.c
+++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c
@@ -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);
 }
-- 
1.8.5.2

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