linux-kernel - [PATCH] pci: dwc: Fix NULL pointer dereference due to missing assignment

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Message-Id: <1488269298-23056-1-git-send-email-vivek.gautam@codeaurora.org>
Date:   Tue, 28 Feb 2017 13:38:18 +0530
From:   Vivek Gautam <vivek.gautam@...eaurora.org>
To:     bhelgaas@...gle.com
Cc:     Vivek Gautam <vivek.gautam@...eaurora.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Kishon Vijay Abraham I <kishon@...com>,
        Jingoo Han <jingoohan1@...il.com>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] pci: dwc: Fix NULL pointer dereference due to missing assignment

Add missing assignment of dw_pci core structure for
designware-plat.

Commit 8b130f815a6b ("PCI: dwc: Fix crashes seen due to missing
assignments") fixed all other platforms, but missed
designware-plat file.

Fixes: 442ec4c04d12 ("PCI: dwc: all: Split struct pcie_port into host-only and core structures")

Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Kishon Vijay Abraham I <kishon@...com>
Cc: Jingoo Han <jingoohan1@...il.com>
Cc: Joao Pinto <Joao.Pinto@...opsys.com>
Cc: linux-pci@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Vivek Gautam <vivek.gautam@...eaurora.org>
---

Based on torvald's master branch.
Build tested.

 drivers/pci/dwc/pcie-designware-plat.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/dwc/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c
index 65250f63515c..b6c832ba39dd 100644
--- a/drivers/pci/dwc/pcie-designware-plat.c
+++ b/drivers/pci/dwc/pcie-designware-plat.c
@@ -104,6 +104,8 @@ static int dw_plat_pcie_probe(struct platform_device *pdev)
 
 	pci->dev = dev;
 
+	dw_plat_pcie->pci = pci;
+
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	pci->dbi_base = devm_ioremap_resource(dev, res);
 	if (IS_ERR(pci->dbi_base))
-- 
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