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| author | Chien Tung <chien.tin.tung@intel.com> | 2009-12-09 15:21:56 -0800 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2009-12-09 15:21:56 -0800 |
| commit | 5924aea6e26712cd372aa23ed432d4cefbb050d2 (patch) | |
| tree | 8ce43324eefa06bb4db6ee414f2ea221cc2c0097 /drivers/infiniband/hw/nes | |
| parent | 75742c630ed552ad963948c9f3e596e96eed7a9f (diff) | |
| download | blackbird-op-linux-5924aea6e26712cd372aa23ed432d4cefbb050d2.tar.gz blackbird-op-linux-5924aea6e26712cd372aa23ed432d4cefbb050d2.zip | |
RDMA/nes: Add max_cqe check to nes_create_cq()
Add a check to nes_create_cq() to return -EINVAL if creating a CQ with
depth > max_cqe (32766).
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/nes')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_hw.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_verbs.c | 5 |
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index b59ca5659423..6f625a962b30 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -482,7 +482,7 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) { nesadapter->max_irrq_wr = (u32temp >> 16) & 3; nesadapter->max_sge = 4; - nesadapter->max_cqe = 32767; + nesadapter->max_cqe = 32766; if (nes_read_eeprom_values(nesdev, nesadapter)) { printk(KERN_ERR PFX "Unable to read EEPROM data.\n"); diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index ea4e22ea2d49..155286b6e74e 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -527,7 +527,7 @@ static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *prop props->max_qp_wr = nesdev->nesadapter->max_qp_wr - 2; props->max_sge = nesdev->nesadapter->max_sge; props->max_cq = nesibdev->max_cq; - props->max_cqe = nesdev->nesadapter->max_cqe - 1; + props->max_cqe = nesdev->nesadapter->max_cqe; props->max_mr = nesibdev->max_mr; props->max_mw = nesibdev->max_mr; props->max_pd = nesibdev->max_pd; @@ -1543,6 +1543,9 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, unsigned long flags; int ret; + if (entries > nesadapter->max_cqe) + return ERR_PTR(-EINVAL); + err = nes_alloc_resource(nesadapter, nesadapter->allocated_cqs, nesadapter->max_cq, &cq_num, &nesadapter->next_cq); if (err) { |
