diff options
| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2023-06-06 05:11:59 +0200 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-06-13 16:22:16 +0200 |
| commit | c1bcb976d8feb107ff2c12caaf12ac5e70f44d5f (patch) | |
| tree | 16c8f6036995d2bd78a6593704ba0693166434a3 /drivers/gpio/gpio-sifive.c | |
| parent | gpiolib: Fix GPIO chip IRQ initialization restriction (diff) | |
| download | linux-c1bcb976d8feb107ff2c12caaf12ac5e70f44d5f.tar.xz linux-c1bcb976d8feb107ff2c12caaf12ac5e70f44d5f.zip | |
gpio: sifive: add missing check for platform_get_irq
Add the missing check for platform_get_irq() and return error code
if it fails.
The returned error code will be dealed with in
builtin_platform_driver(sifive_gpio_driver) and the driver will not
be registered.
Fixes: f52d6d8b43e5 ("gpio: sifive: To get gpio irq offset from device tree data")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-sifive.c')
| -rw-r--r-- | drivers/gpio/gpio-sifive.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c index 98939cd4a71e..745e5f67254e 100644 --- a/drivers/gpio/gpio-sifive.c +++ b/drivers/gpio/gpio-sifive.c @@ -221,8 +221,12 @@ static int sifive_gpio_probe(struct platform_device *pdev) return -ENODEV; } - for (i = 0; i < ngpio; i++) - chip->irq_number[i] = platform_get_irq(pdev, i); + for (i = 0; i < ngpio; i++) { + ret = platform_get_irq(pdev, i); + if (ret < 0) + return ret; + chip->irq_number[i] = ret; + } ret = bgpio_init(&chip->gc, dev, 4, chip->base + SIFIVE_GPIO_INPUT_VAL, |