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[IB] mthca: check P_Key index in modify QP 

Make sure that the P_Key index passed into mthca_modify_qp() is
within the device's P_Key table.

Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Jack Morgenstein 2005-11-03 14:58:33 -08:00 committed by Roland Dreier
parent 0c99cb6d5f
commit d09e327641
1 changed files with 7 additions and 0 deletions
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7
drivers/infiniband/hw/mthca/mthca_qp.c
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@ -582,6 +582,13 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
return -EINVAL;
}
if ((attr_mask & IB_QP_PKEY_INDEX) &&
attr->pkey_index >= dev->limits.pkey_table_len) {
mthca_dbg(dev, "PKey index (%u) too large. max is %d\n",
attr->pkey_index,dev->limits.pkey_table_len-1);
return -EINVAL;
}
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);