From 0757b6020f5aaa9f770068ca0396c0ea5cb0740d Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 29 Feb 2012 09:01:40 +0100 Subject: [PATCH] regulator: mc13783: bail out without platform data the platform data pointer is used without checking it. Bail out in the driver instead of crashing the kernel. Signed-off-by: Sascha Hauer Signed-off-by: Mark Brown --- drivers/regulator/mc13783-regulator.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c index 8e9b90a..6c0face 100644 --- a/drivers/regulator/mc13783-regulator.c +++ b/drivers/regulator/mc13783-regulator.c @@ -344,6 +344,9 @@ static int __devinit mc13783_regulator_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "%s id %d\n", __func__, pdev->id); + if (!pdata) + return -EINVAL; + priv = devm_kzalloc(&pdev->dev, sizeof(*priv) + pdata->num_regulators * sizeof(priv->regulators[0]), GFP_KERNEL); -- 2.7.4