[PATCH] PCI: layerscape: Fix kernel panic on accessing NULL pointer

[Li Yang]

Commit fefe6733e added reference to the pcie->drvdata before it is
initialized which causes a kernel panic.  Fix the problem by
initializing the pcie->drvdata earlier before it is used.

Reported-by: Stuart Yoder <stuart.yo...@nxp.com>
Signed-off-by: Li Yang <leoyang...@nxp.com>
---
 drivers/pci/host/pci-layerscape.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/host/pci-layerscape.c 
b/drivers/pci/host/pci-layerscape.c
index 2cb7315..958187f 100644
--- a/drivers/pci/host/pci-layerscape.c
+++ b/drivers/pci/host/pci-layerscape.c
@@ -245,6 +245,7 @@ static int __init ls_pcie_probe(struct platform_device 
*pdev)
        if (!pcie)
                return -ENOMEM;
 
+       pcie->drvdata = match->data;
        pp = &pcie->pp;
        pp->dev = dev;
        pp->ops = pcie->drvdata->ops;
@@ -256,7 +257,6 @@ static int __init ls_pcie_probe(struct platform_device 
*pdev)
                return PTR_ERR(pcie->pp.dbi_base);
        }
 
-       pcie->drvdata = match->data;
        pcie->lut = pcie->pp.dbi_base + pcie->drvdata->lut_offset;
 
        if (!ls_pcie_is_bridge(pcie))
-- 
1.9.0