IB/ehca: Repoll CQ on invalid opcode

When the ehca driver detects an invalid opcode in a CQE, it currently
passes the CQE to the application and returns with success. This patch
changes the CQE handling to discard CQEs with invalid opcodes and to
continue reading the next CQE from the CQ.

Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index d0a1c674a11b1ffcc8946478f9aa5f03f6f22c49..acb8649151e0107f90bcb5f6cc50d50e0bdbc451 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -667,7 +667,7 @@ repoll:
                ehca_dmp(cqe, 64, "ehca_cq=%p cq_num=%x",
                         my_cq, my_cq->cq_number);
                /* update also queue adder to throw away this entry!!! */
-               goto poll_cq_one_exit0;
+               goto repoll;
        }
 
        /* eval ib_wc_status */