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SubjectRe: [PATCH] net/rds/Kconfig: RDS should depend on IPV6
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On 07/26/2018 06:36 AM, Santosh Shilimkar wrote:
> On 7/25/2018 3:20 PM, Anders Roxell wrote:
>> Build error, implicit declaration of function __inet6_ehashfn shows up
>> When RDS is enabled but not IPV6.
>> net/rds/connection.c: In function ‘rds_conn_bucket’:
>> net/rds/connection.c:67:9: error: implicit declaration of function
>> ‘__inet6_ehashfn’; did you mean ‘__inet_ehashfn’?
>> [-Werror=implicit-function-declaration]
>>    hash = __inet6_ehashfn(lhash, 0, fhash, 0, rds_hash_secret);
>>           ^~~~~~~~~~~~~~~
>>           __inet_ehashfn
>>
>> Current code adds IPV6 as a depends on in config RDS.
>>
>> Fixes: eee2fa6ab322 ("rds: Changing IP address internal representation
>> to struct in6_addr")
>> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
>> ---
>>   net/rds/Kconfig | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/net/rds/Kconfig b/net/rds/Kconfig
>> index 41f75563b54b..607128f10bcd 100644
>> --- a/net/rds/Kconfig
>> +++ b/net/rds/Kconfig
>> @@ -1,7 +1,7 @@
>>   config RDS
>>       tristate "The RDS Protocol"
>> -    depends on INET
>> +    depends on INET && CONFIG_IPV6
> This should build without CONFIG_IPV6 too.
>
> Hi Ka-cheong,
> Can you please loot at it ? I know you modified
> lookup function to take always in6_addr now, but
> probably hashing with '__inet_ehashfn' should
> work too for non IPV6 address(s).


I guess for now, let's add this dependency first. I
will do a follow up patch to remove this dependency.

Thanks.


--
K. Poon
ka-cheong.poon@oracle.com


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