Messages in this thread Patch in this message | | | From | Shailendra Verma <> | Subject | [PATCH] phy - Fix possible NULL derefrence. | Date | Mon, 30 Jan 2017 10:20:23 +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/phy/phy-berlin-usb.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/phy/phy-berlin-usb.c b/drivers/phy/phy-berlin-usb.c index 2017751..c85c516 100644 --- a/drivers/phy/phy-berlin-usb.c +++ b/drivers/phy/phy-berlin-usb.c @@ -172,6 +172,11 @@ static int phy_berlin_usb_probe(struct platform_device *pdev) struct phy *phy; struct phy_provider *phy_provider; + if (!match) { + dev_err(&pdev->dev, "Error: No device match found\n"); + return -ENODEV; + } + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; -- 1.7.9.5
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