* [PATCH] phy - Fix possible NULL derefrence.
[not found] <CGME20170130045040epcas3p12f5d7e91329798c31ed5daacfb2d96a8@epcas3p1.samsung.com>
@ 2017-01-30 4:50 ` Shailendra Verma
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From: Shailendra Verma @ 2017-01-30 4:50 UTC (permalink / raw)
To: Kishon Vijay Abraham I, linux-kernel, p.shailesh, ashish.kalra,
Shailendra Verma, Shailendra Verma
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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2017-01-30 4:50 ` [PATCH] phy - Fix possible NULL derefrence Shailendra Verma
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