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[v2,08/11] PCI: aardvark: Fix memory leak in driver unbind

Message ID 20211130123621.23062-9-kabel@kernel.org
State New
Headers show
Series PCI: aardvark controller fixes BATCH 3 | expand

Commit Message

Marek Behún Nov. 30, 2021, 12:36 p.m. UTC 
From: Pali Rohár <pali@kernel.org>

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.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
---
 drivers/pci/controller/pci-aardvark.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index 08b34accfe2f..b3d89cb449b6 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -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);