Messages in this thread Patch in this message | | | From | Aditya Pakki <> | Subject | [PATCH] pinctrl: berlin: as370: Fix to avoid NULL pointer dereference | Date | Mon, 18 Mar 2019 18:37:27 -0500 |
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of_match_device in as370_pinctrl_probe can return a NULL value when the matching device is not found. The patch avoids a potential dereference in such scenario.
Signed-off-by: Aditya Pakki <pakki001@umn.edu> --- drivers/pinctrl/berlin/pinctrl-as370.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/pinctrl/berlin/pinctrl-as370.c b/drivers/pinctrl/berlin/pinctrl-as370.c index 44f8ccdbeeff..78bb5b866c99 100644 --- a/drivers/pinctrl/berlin/pinctrl-as370.c +++ b/drivers/pinctrl/berlin/pinctrl-as370.c @@ -337,6 +337,8 @@ static int as370_pinctrl_probe(struct platform_device *pdev) struct resource *res; void __iomem *base; + if (!match) + return -ENODEV; rmconfig = devm_kzalloc(&pdev->dev, sizeof(*rmconfig), GFP_KERNEL); if (!rmconfig) return -ENOMEM; -- 2.17.1
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