openwrt/target/linux/bcm53xx/patches-4.1/033-PCI-iproc-Free-resource-list-after-registration.patch

From ef07991a95de76b07594448c3521361831ec2cfe Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 24 May 2015 22:37:03 +0200
Subject: [PATCH 2/2] PCI: iproc: Free resource list after registration

The resource list is only used in the setup process and was never freed.
pci_add_resource() allocates a memory area to store the list item.

Fix the memory leak.

Tested-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
---
 drivers/pci/host/pcie-iproc-bcma.c     | 8 ++++----
 drivers/pci/host/pcie-iproc-platform.c | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

--- a/drivers/pci/host/pcie-iproc-bcma.c
+++ b/drivers/pci/host/pcie-iproc-bcma.c
@@ -65,12 +65,12 @@ static int iproc_pcie_bcma_probe(struct
 	pcie->map_irq = iproc_pcie_bcma_map_irq;
 
 	ret = iproc_pcie_setup(pcie, &res);
-	if (ret) {
+	if (ret)
 		dev_err(pcie->dev, "PCIe controller setup failed\n");
-		return ret;
-	}
 
-	return 0;
+	pci_free_resource_list(&res);
+
+	return ret;
 }
 
 static void iproc_pcie_bcma_remove(struct bcma_device *bdev)
--- a/drivers/pci/host/pcie-iproc-platform.c
+++ b/drivers/pci/host/pcie-iproc-platform.c
@@ -72,12 +72,12 @@ static int iproc_pcie_pltfm_probe(struct
 	pcie->map_irq = of_irq_parse_and_map_pci;
 
 	ret = iproc_pcie_setup(pcie, &res);
-	if (ret) {
+	if (ret)
 		dev_err(pcie->dev, "PCIe controller setup failed\n");
-		return ret;
-	}
 
-	return 0;
+	pci_free_resource_list(&res);
+
+	return ret;
 }
 
 static int iproc_pcie_pltfm_remove(struct platform_device *pdev)