[PATCH v3 03/10] net/ice/base: fix integer overflow issue

Burakov, Anatoly anatoly.burakov at intel.com
Mon Jun 2 10:55:34 CEST 2025


On 5/27/2025 3:17 PM, Dhanya Pillai wrote:
> From: Lukasz Krakowiak <lukaszx.krakowiak at intel.com>
> 
> Fix issue related to INTEGER_OVERFLOW.

I would also suggest rewording the commit message. Even something like 
the following would be better:

Fix integer overflow issue in power of 2 calculation.

> 
> Fixes: f636f2888cec ("net/ice/base: move and add some help function and macros")
> Cc: stable at dpdk.org
> Signed-off-by: Lukasz Krakowiak <lukaszx.krakowiak at intel.com>
> Signed-off-by: Dhanya Pillai <dhanya.r.pillai at intel.com>
> ---
>   drivers/net/intel/ice/base/ice_type.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/intel/ice/base/ice_type.h b/drivers/net/intel/ice/base/ice_type.h
> index 297a5ea890..ae3b944d6e 100644
> --- a/drivers/net/intel/ice/base/ice_type.h
> +++ b/drivers/net/intel/ice/base/ice_type.h
> @@ -25,7 +25,7 @@
>    */
>   static inline bool ice_is_pow2(u64 val)
>   {
> -	return (val && !(val & (val - 1)));
> +	return val != 0 && (val & (val - 1)) == 0;
>   }
>   
>   /**


-- 
Thanks,
Anatoly


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