[PATCH 2/3] net: catch error on eth_send

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Sun Sep 16 05:57:05 EDT 2012


On 09:57 Fri 14 Sep     , Jean-Christophe PLAGNIOL-VILLARD wrote:
> 
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> ---
can you apply this one so I can just resent the phylib

master as it's a fix?

Best Regards,
J.
>  net/net.c |   18 +++++++++++-------
>  1 file changed, 11 insertions(+), 7 deletions(-)
> 
> diff --git a/net/net.c b/net/net.c
> index 54d8c25..d056dd7 100644
> --- a/net/net.c
> +++ b/net/net.c
> @@ -219,6 +219,7 @@ static int arp_request(IPaddr_t dest, unsigned char *ether)
>  	static char *arp_packet;
>  	struct ethernet *et;
>  	unsigned retries = 0;
> +	int ret;
>  
>  	if (!arp_packet) {
>  		arp_packet = net_alloc_packet();
> @@ -262,7 +263,9 @@ static int arp_request(IPaddr_t dest, unsigned char *ether)
>  
>  	arp_ether = ether;
>  
> -	eth_send(arp_packet, ETHER_HDR_SIZE + ARP_HDR_SIZE);
> +	ret = eth_send(arp_packet, ETHER_HDR_SIZE + ARP_HDR_SIZE);
> +	if (ret)
> +		return ret;
>  	arp_start = get_time_ns();
>  
>  	while (arp_wait_ip) {
> @@ -272,7 +275,9 @@ static int arp_request(IPaddr_t dest, unsigned char *ether)
>  		if (is_timeout(arp_start, 3 * SECOND)) {
>  			printf("T ");
>  			arp_start = get_time_ns();
> -			eth_send(arp_packet, ETHER_HDR_SIZE + ARP_HDR_SIZE);
> +			ret = eth_send(arp_packet, ETHER_HDR_SIZE + ARP_HDR_SIZE);
> +			if (ret)
> +				return ret;
>  			retries++;
>  		}
>  
> @@ -454,9 +459,7 @@ static int net_ip_send(struct net_connection *con, int len)
>  	con->ip->check = 0;
>  	con->ip->check = ~net_checksum((unsigned char *)con->ip, sizeof(struct iphdr));
>  
> -	eth_send(con->packet, ETHER_HDR_SIZE + sizeof(struct iphdr) + len);
> -
> -	return 0;
> +	return eth_send(con->packet, ETHER_HDR_SIZE + sizeof(struct iphdr) + len);
>  }
>  
>  int net_udp_send(struct net_connection *con, int len)
> @@ -480,6 +483,7 @@ static int net_answer_arp(unsigned char *pkt, int len)
>  	struct arprequest *arp = (struct arprequest *)(pkt + ETHER_HDR_SIZE);
>  	struct ethernet *et = (struct ethernet *)pkt;
>  	unsigned char *packet;
> +	int ret;
>  
>  	debug("%s\n", __func__);
>  
> @@ -497,10 +501,10 @@ static int net_answer_arp(unsigned char *pkt, int len)
>  	if (!packet)
>  		return 0;
>  	memcpy(packet, pkt, ETHER_HDR_SIZE + ARP_HDR_SIZE);
> -	eth_send(packet, ETHER_HDR_SIZE + ARP_HDR_SIZE);
> +	ret = eth_send(packet, ETHER_HDR_SIZE + ARP_HDR_SIZE);
>  	free(packet);
>  
> -	return 0;
> +	return ret;
>  }
>  
>  static void net_bad_packet(unsigned char *pkt, int len)
> -- 
> 1.7.10.4
> 



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