From: Pali Roh�r pali@kernel.org
commit 2f040a17f5061457ae95035326d3159eddc1e5cc upstream.
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 Roh�r pali@kernel.org Signed-off-by: Marek Beh�n kabel@kernel.org Signed-off-by: Lorenzo Pieralisi lorenzo.pieralisi@arm.com Signed-off-by: Marek Beh�n kabel@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/pci/controller/pci-aardvark.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/pci/controller/pci-aardvark.c +++ b/drivers/pci/controller/pci-aardvark.c @@ -1718,6 +1718,9 @@ static int advk_pcie_remove(struct platf 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);