[ofa-general] [PATCH] mlx4_ib/mthca: Fix dispatch of IB_EVENT_LID_CHANGE

[Moni Shoua]

Jack Morgenstein wrote:
> On Tuesday 25 November 2008 18:06, Moni Shoua wrote:
>> @@ -263,6 +269,9 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags,     u8 port_num,
>>         } else
>>                 return IB_MAD_RESULT_SUCCESS;
>>  
>> +       if (!ib_query_port(ibdev, port_num, &pattr))
>> +               prev_lid = pattr.lid;
>> +
>>
> 
> Why do ib_query_port for each MAD that is handled?  query_port involves a firmware access.
> Events are generated only for SMP SET packets.
I agreee. Thanks.

I'm also changing the action in case ib_query_port() fails. 
Instead of ignoring the failure I now assume the worst (i.e: LID_CHANGE)