Re: [PATCH v2 2/5] staging: r8188eu: cast to restricted __be32

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On Thursday, August 19, 2021 10:17:54 AM CEST Aakash Hemadri wrote:
> Fix sparse warning:
> > rtw_br_ext.c:836:54: warning: cast to restricted __be32
> 
> Unnecessary double cast, remove them.

Are you sure that you had a *double* cast?
In the line that you changed I see only a cast and a swap 
(or, better, a potential swap).

Regards,

Fabio

> 
> Signed-off-by: Aakash Hemadri <aakashhemadri123@xxxxxxxxx>
> ---
>  drivers/staging/r8188eu/core/rtw_br_ext.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
> index 404fa8904e47..6a0462ce6230 100644
> --- a/drivers/staging/r8188eu/core/rtw_br_ext.c
> +++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
> @@ -671,7 +671,7 @@ void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb)
>  				    (udph->dest == __constant_htons(SERVER_PORT))) { /*  DHCP request */
>  					struct dhcpMessage *dhcph =
>  						(struct dhcpMessage *)((size_t)udph + sizeof(struct udphdr));
> -					u32 cookie = be32_to_cpu((__be32)dhcph->cookie);
> +					u32 cookie = dhcph->cookie;
>  
>  					if (cookie == DHCP_MAGIC) { /*  match magic word */
>  						if (!(dhcph->flags & htons(BROADCAST_FLAG))) {
> -- 
> 2.32.0
> 
> 
> 








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