On 02.02.2018 11:27, Tommi Rantala wrote:
> 2018-02-02 1:57 GMT+02:00 Alexey Kodanev <alexey.kodanev@xxxxxxxxxx>:
>> For ipv6 part, shouldn't we release 'bdst' there if the previous address
>> match is better and we continue to the next iteration?
>
> Good catch!
>
On the second thought, I think, we should also check 'bdst' ptr for
the error earlier, i.e. right after 'bdst = ip6_dst_lookup_flow(...)'.
I'll prepare the patch.
Thanks,
Alexey
> Didn't see that one.
>
> Tommi
>
>> diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
>> index 5d4c15b..a044096 100644
>> --- a/net/sctp/ipv6.c
>> +++ b/net/sctp/ipv6.c
>> @@ -336,8 +336,11 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
>> }
>>
>> bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a);
>> - if (matchlen > bmatchlen)
>> + if (matchlen > bmatchlen) {
>> + if (!IS_ERR(bdst))
>> + dst_release(bdst);
>> continue;
>> + }
>>
>> if (!IS_ERR_OR_NULL(dst))
>> dst_release(dst);
>>
>> Thanks,
>> Alexey
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