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Subject[PATCH] Pci: host - Fix possible NULL derefrence.
Date
of_match_device could return NULL, and so can cause a NULL
pointer dereference later.

Signed-off-by: Shailendra Verma <shailendra.v@samsung.com>
---
drivers/pci/host/pcie-hisi.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/pci/host/pcie-hisi.c b/drivers/pci/host/pcie-hisi.c
index 56154c2..3256f8f 100644
--- a/drivers/pci/host/pcie-hisi.c
+++ b/drivers/pci/host/pcie-hisi.c
@@ -174,6 +174,10 @@ static int hisi_pcie_probe(struct platform_device *pdev)
driver = dev->driver;

match = of_match_device(driver->of_match_table, dev);
+ if (!match) {
+ dev_err(dev, "Error: No device match found\n");
+ return -ENODEV;
+ }
hisi_pcie->soc_ops = (struct pcie_soc_ops *) match->data;

hisi_pcie->subctrl =
--
1.7.9.5
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