Messages in this thread Patch in this message | | | From | Masahiro Yamada <> | Subject | [PATCH] gpio: brcmstb: check return value of gpiochip_irqchip_add() | Date | Thu, 10 Aug 2017 07:51:27 +0900 |
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Because gpiochip_irqchip_add() may fail, its return value should be checked.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> ---
drivers/gpio/gpio-brcmstb.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c index e6489143721a..51485997f680 100644 --- a/drivers/gpio/gpio-brcmstb.c +++ b/drivers/gpio/gpio-brcmstb.c @@ -339,6 +339,7 @@ static int brcmstb_gpio_irq_setup(struct platform_device *pdev, struct brcmstb_gpio_priv *priv = bank->parent_priv; struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; + int err; bank->irq_chip.name = dev_name(dev); bank->irq_chip.irq_mask = brcmstb_gpio_irq_mask; @@ -355,8 +356,6 @@ static int brcmstb_gpio_irq_setup(struct platform_device *pdev, dev_warn(dev, "Couldn't get wake IRQ - GPIOs will not be able to wake from sleep"); } else { - int err; - /* * Set wakeup capability before requesting wakeup * interrupt, so we can process boot-time "wakeups" @@ -383,8 +382,10 @@ static int brcmstb_gpio_irq_setup(struct platform_device *pdev, if (priv->can_wake) bank->irq_chip.irq_set_wake = brcmstb_gpio_irq_set_wake; - gpiochip_irqchip_add(&bank->gc, &bank->irq_chip, 0, - handle_simple_irq, IRQ_TYPE_NONE); + err = gpiochip_irqchip_add(&bank->gc, &bank->irq_chip, 0, + handle_simple_irq, IRQ_TYPE_NONE); + if (err) + return err; gpiochip_set_chained_irqchip(&bank->gc, &bank->irq_chip, priv->parent_irq, brcmstb_gpio_irq_handler); -- 2.7.4
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