On Wed, May 16, 2018 at 07:30:01AM +0200, Sergio Paracuellos wrote: > diff --git a/drivers/staging/mt7621-gpio/gpio-mt7621.c b/drivers/staging/mt7621-gpio/gpio-mt7621.c > index c701259..2d16d62 100644 > --- a/drivers/staging/mt7621-gpio/gpio-mt7621.c > +++ b/drivers/staging/mt7621-gpio/gpio-mt7621.c > @@ -156,17 +156,18 @@ mediatek_gpio_bank_probe(struct platform_device *pdev, struct device_node *bank) > { > struct mtk_data *gpio_data = dev_get_drvdata(&pdev->dev); > const __be32 *id = of_get_property(bank, "reg", NULL); > - struct mtk_gc *rg = devm_kzalloc(&pdev->dev, > - sizeof(struct mtk_gc), GFP_KERNEL); > + struct mtk_gc *rg; > int ret; > > - if (!rg || !id || be32_to_cpu(*id) > MTK_MAX_BANK) > + if (!id || be32_to_cpu(*id) > MTK_MAX_BANK) You didn't introduce this, but it should be >= MTK_MAX_BANK. (Off by one). regards, dan carpenter _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel