netdev - Re: [PATCH -next v2] net: ice: Fix pointer cast warnings

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Date:   Wed, 23 Sep 2020 09:44:38 +0800
From:   Bixuan Cui <cuibixuan@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>
CC:     <jeffrey.t.kirsher@...el.com>, <intel-wired-lan@...ts.osuosl.org>,
        <netdev@...r.kernel.org>, <linux-next@...r.kernel.org>
Subject: Re: [PATCH -next v2] net: ice: Fix pointer cast warnings

ping~

On 2020/7/31 18:07, Bixuan Cui wrote:
> pointers should be casted to unsigned long to avoid
> -Wpointer-to-int-cast warnings:
> 
> drivers/net/ethernet/intel/ice/ice_flow.h:197:33: warning:
>     cast from pointer to integer of different size
> drivers/net/ethernet/intel/ice/ice_flow.h:198:32: warning:
>     cast to pointer from integer of different size
> 
> Signed-off-by: Bixuan Cui <cuibixuan@...wei.com>
> ---
> v2->v1: add fix:
>  ice_flow.h:198:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
>  #define ICE_FLOW_ENTRY_PTR(h) ((struct ice_flow_entry *)(h))
> 
>  drivers/net/ethernet/intel/ice/ice_flow.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_flow.h b/drivers/net/ethernet/intel/ice/ice_flow.h
> index 3913da2116d2..829f90b1e998 100644
> --- a/drivers/net/ethernet/intel/ice/ice_flow.h
> +++ b/drivers/net/ethernet/intel/ice/ice_flow.h
> @@ -194,8 +194,8 @@ struct ice_flow_entry {
>  	u16 entry_sz;
>  };
> 
> -#define ICE_FLOW_ENTRY_HNDL(e)	((u64)e)
> -#define ICE_FLOW_ENTRY_PTR(h)	((struct ice_flow_entry *)(h))
> +#define ICE_FLOW_ENTRY_HNDL(e)	((u64)(uintptr_t)e)
> +#define ICE_FLOW_ENTRY_PTR(h)	((struct ice_flow_entry *)(uintptr_t)(h))
> 
>  struct ice_flow_prof {
>  	struct list_head l_entry;
> --
> 2.17.1
> 
> 
> .
>