diff options
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index aab391a15db4..9d9914299866 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -678,11 +678,33 @@ static void ocrdma_dispatch_ibevent(struct ocrdma_dev *dev, int dev_event = 0; int type = (cqe->valid_ae_event & OCRDMA_AE_MCQE_EVENT_TYPE_MASK) >> OCRDMA_AE_MCQE_EVENT_TYPE_SHIFT; + u16 qpid = cqe->qpvalid_qpid & OCRDMA_AE_MCQE_QPID_MASK; + u16 cqid = cqe->cqvalid_cqid & OCRDMA_AE_MCQE_CQID_MASK; - if (cqe->qpvalid_qpid & OCRDMA_AE_MCQE_QPVALID) - qp = dev->qp_tbl[cqe->qpvalid_qpid & OCRDMA_AE_MCQE_QPID_MASK]; - if (cqe->cqvalid_cqid & OCRDMA_AE_MCQE_CQVALID) - cq = dev->cq_tbl[cqe->cqvalid_cqid & OCRDMA_AE_MCQE_CQID_MASK]; + /* + * Some FW version returns wrong qp or cq ids in CQEs. + * Checking whether the IDs are valid + */ + + if (cqe->qpvalid_qpid & OCRDMA_AE_MCQE_QPVALID) { + if (qpid < dev->attr.max_qp) + qp = dev->qp_tbl[qpid]; + if (qp == NULL) { + pr_err("ocrdma%d:Async event - qpid %u is not valid\n", + dev->id, qpid); + return; + } + } + + if (cqe->cqvalid_cqid & OCRDMA_AE_MCQE_CQVALID) { + if (cqid < dev->attr.max_cq) + cq = dev->cq_tbl[cqid]; + if (cq == NULL) { + pr_err("ocrdma%d:Async event - cqid %u is not valid\n", + dev->id, cqid); + return; + } + } memset(&ib_evt, 0, sizeof(ib_evt)); |