iw_cxgb4: gracefully handle unknown CQE status errors

c4iw_poll_cq_on() shouldn't fail the poll operation just because
the CQE status is unknown.  Rather, it should map this to the
"fatal error" status and log the anomaly.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index c7aab48f07cdfcdebf3efb6374416619c9095e04..92d518382a9fce90c3e1dbae45034675072da274 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -814,7 +814,7 @@ static int c4iw_poll_cq_one(struct c4iw_cq *chp, struct ib_wc *wc)
                        printk(KERN_ERR MOD
                               "Unexpected cqe_status 0x%x for QPID=0x%0x\n",
                               CQE_STATUS(&cqe), CQE_QPID(&cqe));
-                       ret = -EINVAL;
+                       wc->status = IB_WC_FATAL_ERR;
                }
        }
 out: