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authorDan Carpenter <dan.carpenter@linaro.org>2024-01-12 09:55:25 +0300
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2024-01-15 11:07:46 +0100
commitc8fb5a52b977ef91dc9342e556c63b9602065c8a (patch)
tree3fc10e0cedf4d3725caa372769099f69b2ca2047 /drivers/gpio
parent576db73424305036a6aa9e40daf7109742fbb1df (diff)
gpio: rtd: Fix signedness bug in probe
The "data->irqs[]" array holds unsigned int so this error handling will not work correctly. Fixes: eee636bff0dc ("gpio: rtd: Add support for Realtek DHC(Digital Home Center) RTD SoCs") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-rtd.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-rtd.c b/drivers/gpio/gpio-rtd.c
index a7939bd0aa56..bf7f008f58d7 100644
--- a/drivers/gpio/gpio-rtd.c
+++ b/drivers/gpio/gpio-rtd.c
@@ -525,18 +525,21 @@ static int rtd_gpio_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct gpio_irq_chip *irq_chip;
struct rtd_gpio *data;
+ int ret;
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- data->irqs[0] = platform_get_irq(pdev, 0);
- if (data->irqs[0] < 0)
- return data->irqs[0];
+ ret = platform_get_irq(pdev, 0);
+ if (ret < 0)
+ return ret;
+ data->irqs[0] = ret;
- data->irqs[1] = platform_get_irq(pdev, 1);
- if (data->irqs[1] < 0)
- return data->irqs[1];
+ ret = platform_get_irq(pdev, 1);
+ if (ret < 0)
+ return ret;
+ data->irqs[1] = ret;
data->info = device_get_match_data(dev);
if (!data->info)