diff options
Diffstat (limited to 'drivers/gpio/gpio-74xx-mmio.c')
| -rw-r--r-- | drivers/gpio/gpio-74xx-mmio.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-74xx-mmio.c b/drivers/gpio/gpio-74xx-mmio.c index 6ed7c0f..6b18682 100644 --- a/drivers/gpio/gpio-74xx-mmio.c +++ b/drivers/gpio/gpio-74xx-mmio.c @@ -113,13 +113,16 @@ static int mmio_74xx_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) static int mmio_74xx_gpio_probe(struct platform_device *pdev) { - const struct of_device_id *of_id = - of_match_device(mmio_74xx_gpio_ids, &pdev->dev); + const struct of_device_id *of_id; struct mmio_74xx_gpio_priv *priv; struct resource *res; void __iomem *dat; int err; + of_id = of_match_device(mmio_74xx_gpio_ids, &pdev->dev); + if (!of_id) + return -ENODEV; + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; |