diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/850-v5.17-0008-PCI-aardvark-Fix-memory-leak-in-driver-unbind.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/850-v5.17-0008-PCI-aardvark-Fix-memory-leak-in-driver-unbind.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/850-v5.17-0008-PCI-aardvark-Fix-memory-leak-in-driver-unbind.patch b/target/linux/generic/backport-5.10/850-v5.17-0008-PCI-aardvark-Fix-memory-leak-in-driver-unbind.patch new file mode 100644 index 0000000000..24b4166870 --- /dev/null +++ b/target/linux/generic/backport-5.10/850-v5.17-0008-PCI-aardvark-Fix-memory-leak-in-driver-unbind.patch @@ -0,0 +1,38 @@ +From 2f040a17f5061457ae95035326d3159eddc1e5cc Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> +Date: Tue, 30 Nov 2021 18:29:10 +0100 +Subject: [PATCH] PCI: aardvark: Fix memory leak in driver unbind +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +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> +--- + drivers/pci/controller/pci-aardvark.c | 3 +++ + 1 file changed, 3 insertions(+) + +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); +-- +2.34.1 + |