diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpio/gpio-vr41xx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c index 66cbcc108e6..dbf28fa03f6 100644 --- a/drivers/gpio/gpio-vr41xx.c +++ b/drivers/gpio/gpio-vr41xx.c @@ -515,7 +515,7 @@ static int giu_probe(struct platform_device *pdev) struct resource *res; unsigned int trigger, i, pin; struct irq_chip *chip; - int irq, retval; + int irq, ret; switch (pdev->id) { case GPIO_50PINS_PULLUPDOWN: @@ -544,7 +544,11 @@ static int giu_probe(struct platform_device *pdev) vr41xx_gpio_chip.dev = &pdev->dev; - retval = gpiochip_add(&vr41xx_gpio_chip); + ret = gpiochip_add(&vr41xx_gpio_chip); + if (!ret) { + iounmap(giu_base); + return -ENODEV; + } giu_write(GIUINTENL, 0); giu_write(GIUINTENH, 0); |