diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_verbs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index ac42dce7e281..9d92aeb8d9a1 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -1341,6 +1341,15 @@ int qib_check_ah(struct ib_device *ibdev, struct rdma_ah_attr *ah_attr) if (rdma_ah_get_sl(ah_attr) > 15) return -EINVAL; + if (rdma_ah_get_dlid(ah_attr) == 0) + return -EINVAL; + if (rdma_ah_get_dlid(ah_attr) >= + be16_to_cpu(IB_MULTICAST_LID_BASE) && + rdma_ah_get_dlid(ah_attr) != + be16_to_cpu(IB_LID_PERMISSIVE) && + !(rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH)) + return -EINVAL; + return 0; } |