diff options
| author | Stefan Roscher <stefan.roscher@de.ibm.com> | 2007-09-11 15:29:39 +0200 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2007-10-09 19:59:08 -0700 |
| commit | 5281a4b8a0c6bac0c070913ec25868faa06a3115 (patch) | |
| tree | 49e379688fca00a0a3eb4f031aab90929f784f34 /drivers/infiniband/hw/ehca/ehca_cq.c | |
| parent | 441633b968a5be0ef9be7c37ae24c35eda5b730d (diff) | |
IB/ehca: Support more than 4k QPs for userspace and kernelspace
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_cq.c')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_cq.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 81aff36101ba..a6f17e488c77 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -166,7 +166,6 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, write_lock_irqsave(&ehca_cq_idr_lock, flags); ret = idr_get_new(&ehca_cq_idr, my_cq, &my_cq->token); write_unlock_irqrestore(&ehca_cq_idr_lock, flags); - } while (ret == -EAGAIN); if (ret) { @@ -176,6 +175,12 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, goto create_cq_exit1; } + if (my_cq->token > 0x1FFFFFF) { + cq = ERR_PTR(-ENOMEM); + ehca_err(device, "Invalid number of cq. device=%p", device); + goto create_cq_exit2; + } + /* * CQs maximum depth is 4GB-64, but we need additional 20 as buffer * for receiving errors CQEs. |