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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>
This commit is contained in:
Chien Tung 2009-12-09 15:21:56 -08:00 committed by Roland Dreier
parent 75742c630e
commit 5924aea6e2
2 changed files with 5 additions and 2 deletions
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2
drivers/infiniband/hw/nes/nes_hw.c
View File

@ -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");

5
drivers/infiniband/hw/nes/nes_verbs.c
View File

@ -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) {