diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-20 08:59:45 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-20 08:59:45 -0400 |
| commit | d59bf96cdde5b874a57bfd1425faa45da915d0b7 (patch) | |
| tree | 351a40b72514d620e5bebea2de38c26f23277ffc /drivers/infiniband/hw/mthca/mthca_cq.c | |
| parent | 28df955a2ad484d602314b30183ea8496a9aa34a (diff) | |
| parent | 25f42b6af09e34c3f92107b36b5aa6edc2fdba2f (diff) | |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_cq.c')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cq.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index 205854e9c66..3e27a084257 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -540,8 +540,17 @@ static inline int mthca_poll_one(struct mthca_dev *dev, entry->wr_id = srq->wrid[wqe_index]; mthca_free_srq_wqe(srq, wqe); } else { + s32 wqe; wq = &(*cur_qp)->rq; - wqe_index = be32_to_cpu(cqe->wqe) >> wq->wqe_shift; + wqe = be32_to_cpu(cqe->wqe); + wqe_index = wqe >> wq->wqe_shift; + /* + * WQE addr == base - 1 might be reported in receive completion + * with error instead of (rq size - 1) by Sinai FW 1.0.800 and + * Arbel FW 5.1.400. This bug should be fixed in later FW revs. + */ + if (unlikely(wqe_index < 0)) + wqe_index = wq->max - 1; entry->wr_id = (*cur_qp)->wrid[wqe_index]; } @@ -813,6 +822,7 @@ int mthca_init_cq(struct mthca_dev *dev, int nent, spin_lock_init(&cq->lock); cq->refcount = 1; init_waitqueue_head(&cq->wait); + mutex_init(&cq->mutex); memset(cq_context, 0, sizeof *cq_context); cq_context->flags = cpu_to_be32(MTHCA_CQ_STATUS_OK | |