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Subject[PATCH] pinctrl: berlin: Fix to avoid NULL pointer dereference
Date
of_match_device 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/berlin-bg4ct.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/pinctrl/berlin/berlin-bg4ct.c b/drivers/pinctrl/berlin/berlin-bg4ct.c
index 6a7fe929a68b..2d5e82938ef9 100644
--- a/drivers/pinctrl/berlin/berlin-bg4ct.c
+++ b/drivers/pinctrl/berlin/berlin-bg4ct.c
@@ -456,6 +456,9 @@ static int berlin4ct_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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