[PATCH] gpio: rtd: Fix signedness bug in probe

From: Dan Carpenter
Date: Fri Jan 12 2024 - 01:55:45 EST


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@xxxxxxxxxx>
---
drivers/gpio/gpio-rtd.c | 15 +++++++++------
1 file 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)
--
2.43.0