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IB/ehca: Require in_wc in process_mad() 

If the caller does not pass a valid in_wc to process_mad(), return MAD
failure status, as it is not possible to generate a valid MAD redirect
response (and redirects are the only MAD responses ehca generates).

Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Alexander Schmidt 2010-02-16 08:59:50 +00:00 committed by Roland Dreier
parent fa55e30bc3
commit 45e354e3f2
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/ehca/ehca_sqp.c
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@ -222,7 +222,7 @@ int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
{
int ret;
if (!port_num || port_num > ibdev->phys_port_cnt)
if (!port_num || port_num > ibdev->phys_port_cnt || !in_wc)
return IB_MAD_RESULT_FAILURE;
/* accept only pma request */