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Subject[PATCH] gpio: ath79: Add missing check for platform_get_irq
Date
Add the missing check for platform_get_irq and return error
if it fails.

Fixes: 2b8f89e19b6d ("gpio: ath79: Add support for the interrupt controller")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
---
drivers/gpio/gpio-ath79.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c
index aa0a954b8392..4b67428a8c17 100644
--- a/drivers/gpio/gpio-ath79.c
+++ b/drivers/gpio/gpio-ath79.c
@@ -286,6 +286,8 @@ static int ath79_gpio_probe(struct platform_device *pdev)
if (!girq->parents)
return -ENOMEM;
girq->parents[0] = platform_get_irq(pdev, 0);
+ if (girq->parents[0] < 0)
+ return -ENODEV;
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_simple_irq;
}
--
2.25.1
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