From: Lv Ruyi (CGEL ZTE) <lv.ruyi@zte.com.cn>

The irq is defined unsigned int. If the platform_get_irq return a negative
value, data type cast may result in error.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi (CGEL ZTE) <lv.ruyi@zte.com.cn>
---
 drivers/input/keyboard/mt6779-keypad.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/keyboard/mt6779-keypad.c b/drivers/input/keyboard/mt6779-keypad.c
index 5ff23250ed37..0dbbddc7f298 100644
--- a/drivers/input/keyboard/mt6779-keypad.c
+++ b/drivers/input/keyboard/mt6779-keypad.c
@@ -91,7 +91,7 @@ static void mt6779_keypad_clk_disable(void *data)
 static int mt6779_keypad_pdrv_probe(struct platform_device *pdev)
 {
 	struct mt6779_keypad *keypad;
-	unsigned int irq;
+	int irq;
 	u32 debounce;
 	bool wakeup;
 	int error;
-- 
2.25.1

On Tue, Mar 08, 2022 at 02:50, cgel.zte@gmail.com wrote:

> From: Lv Ruyi (CGEL ZTE) <lv.ruyi@zte.com.cn>
>
> The irq is defined unsigned int. If the platform_get_irq return a negative
> value, data type cast may result in error.
>
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Lv Ruyi (CGEL ZTE) <lv.ruyi@zte.com.cn>
> ---
>  drivers/input/keyboard/mt6779-keypad.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/keyboard/mt6779-keypad.c b/drivers/input/keyboard/mt6779-keypad.c
> index 5ff23250ed37..0dbbddc7f298 100644
> --- a/drivers/input/keyboard/mt6779-keypad.c
> +++ b/drivers/input/keyboard/mt6779-keypad.c
> @@ -91,7 +91,7 @@ static void mt6779_keypad_clk_disable(void *data)
>  static int mt6779_keypad_pdrv_probe(struct platform_device *pdev)
>  {
>  	struct mt6779_keypad *keypad;
> -	unsigned int irq;
> +	int irq;
>  	u32 debounce;
>  	bool wakeup;
>  	int error;

Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
> -- 
> 2.25.1