Messages in this thread Patch in this message | | | From | Shailendra Verma <> | Subject | [PATCH] Pci: host - Fix possible NULL derefrence. | Date | Mon, 30 Jan 2017 10:19:35 +0530 |
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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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