[U-Boot] [PATCH V2] net: bootp: Ignore packets whose yiaddr is 0

[Peng Fan <van.freenix@gmail.com>]

Gentle ping..

Regards,
Peng.

On Thu, Jan 07, 2016 at 05:09:04PM +0100, Wolfgang Denk wrote:
>Dear Peng Fan,
>
>In message <1452151703-30647-1-git-send-email-van.freenix@gmail.com> you wrote:
>> From: Peng Fan <peng.fan@nxp.com>
>> 
>> When doing `dhcp`, there is a bad dhcp server in my network
>> which always reply dhcp request with yiaddr 0, which cause
>> uboot can not successfully get ipaddr from the good dhcp server.
>> But the Linux PC can get the ip address even if there is a bad
>> dhcp server. This patch is to fix that even if there is a bad
>> dhcp server, uboot can still get ipaddr and tftp work ok.
>> 
>> The way is to ignore the packets from the bad dhcp server by filtering
>> out the yiaddr whose value is 0.
>> 
>> Signed-off-by: Peng Fan <peng.fan@nxp.com>
>> Cc: Joe Hershberger <joe.hershberger@ni.com>
>> ---
>> 
>> Changes V2:
>>  Take Wolfgang's suggestion, move the code after debug message.
>
>THanks.
>
>Reviewed-by: Wolfgang Denk <wd@denx.de>
>
>Best regards,
>
>Wolfgang Denk
>
>-- 
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