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IB/mad: Don't discard BMA responses in kernel

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This fixes the problem of incoming BMA responses being dropped due to
a bad "is response" check.  Fix the test to use the ib_response_mad()
predicate, which correctly handles BMA MADs.

This fixes <https://bugs.openfabrics.org/show_bug.cgi?id=988>.

Signed-off-by: Michael Brooks <michael.brooks@qlogic.com>
Acked-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Michael Brooks 2008-09-20 20:06:16 -07:00 committed by Roland Dreier
parent 9824b8f113
commit 7097228c54
1 changed files with 2 additions and 3 deletions
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5
drivers/infiniband/core/mad.c
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@ -1697,9 +1697,8 @@ static inline int rcv_has_same_gid(struct ib_mad_agent_private *mad_agent_priv,
u8 port_num = mad_agent_priv->agent.port_num;
u8 lmc;
send_resp = ((struct ib_mad *)(wr->send_buf.mad))->
mad_hdr.method & IB_MGMT_METHOD_RESP;
rcv_resp = rwc->recv_buf.mad->mad_hdr.method & IB_MGMT_METHOD_RESP;
send_resp = ib_response_mad((struct ib_mad *)wr->send_buf.mad);
rcv_resp = ib_response_mad(rwc->recv_buf.mad);
if (send_resp == rcv_resp)
/* both requests, or both responses. GIDs different */