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PCI: aardvark: Fix memory leak in driver unbind

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Free config space for emulated root bridge when unbinding driver to fix
memory leak. Do it after disabling and masking all interrupts, since
aardvark interrupt handler accesses config space of emulated root
bridge.

Link: https://lore.kernel.org/r/20211130172913.9727-9-kabel@kernel.org
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
This commit is contained in:
Pali Rohár 2021-11-30 18:29:10 +01:00 • committed by Lorenzo Pieralisi
parent 13bcdf07cb
commit 2f040a17f5
1 changed files with 3 additions and 0 deletions
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3
drivers/pci/controller/pci-aardvark.c
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@ -1734,6 +1734,9 @@ static int advk_pcie_remove(struct platform_device *pdev)
advk_pcie_remove_msi_irq_domain(pcie);
advk_pcie_remove_irq_domain(pcie);
/* Free config space for emulated root bridge */
pci_bridge_emul_cleanup(&pcie->bridge);
/* Disable outbound address windows mapping */
for (i = 0; i < OB_WIN_COUNT; i++)
advk_pcie_disable_ob_win(pcie, i);