[28/42] PCI: aardvark: Free config space for emulated root bridge when unbinding driver to fix memory leak

Commit Message

Pali Rohár May 6, 2021, 3:31 p.m. UTC

Do it after disabling and masking all interrupts, since aardvark interrupt
handler accesses config space of emulated root bridge.

Signed-off-by: Pali Rohár <[e-mail]>
Reviewed-by: Marek Behún <[e-mail]>
Fixes: 526a76991b7b ("PCI: aardvark: Implement driver 'remove' function and allow to build it as module")
---
 drivers/pci/controller/pci-aardvark.c | 3 +++
 1 file changed, 3 insertions(+)

Patch

diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index 28ddffce1bec..4b531675db81 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -1491,6 +1491,9 @@  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);
+
 	return 0;
 }