[PATCH 05/10] net: dns: use net_eth_to_udp() for packet parsing

[Ahmad Fatoum]

On 4/2/26 8:36 AM, Sascha Hauer wrote:
> Replace the separate net_eth_to_udp_payload() and net_eth_to_udplen()
> calls with the new consolidated net_eth_to_udp() helper.
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> Co-Authored-By: Claude Opus 4.6 <noreply at anthropic.com>

Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

> ---
>  net/dns.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/net/dns.c b/net/dns.c
> index 8fbd13cdc3..8616e353c1 100644
> --- a/net/dns.c
> +++ b/net/dns.c
> @@ -206,9 +206,12 @@ static void dns_recv(struct header *header, unsigned len)
>  
>  static void dns_handler(void *ctx, char *packet, unsigned len)
>  {
> -	(void)ctx;
> -	dns_recv((struct header *)net_eth_to_udp_payload(packet),
> -		net_eth_to_udplen(packet));
> +	struct net_udp_pkt udp;
> +
> +	if (net_eth_to_udp(packet, len, &udp))
> +		return;
> +
> +	dns_recv(udp.payload, udp.len);
>  }
>  
>  int resolv(const char *host, IPaddr_t *ip)
> 

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