RDMA/cxgb3: Fix iwch_create_cq() off-by-one error
The cxbg3 driver is unnecessarily decreasing the number of CQ entries by one when creating a CQ. This will cause the CQ not to have as many entries as requested by the user if the user requests a power of 2 size. Signed-off-by: NJon Mason <jon@opengridcomputing.com> Acked-by: NSteve Wise <swise@opengridcomputing.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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