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    Subject[PATCH 5 of 53] ipath - forbid creation of AHs with illegal ports
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    Don't allow an AH to be created with an illegal port.

    Signed-off-by: Bryan O'Sullivan <bos@pathscale.com>

    diff -r 300f0aa6f034 -r db56c0ab6a64 drivers/infiniband/hw/ipath/ipath_verbs.c
    --- a/drivers/infiniband/hw/ipath/ipath_verbs.c Fri May 12 15:55:27 2006 -0700
    +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c Fri May 12 15:55:27 2006 -0700
    @@ -810,6 +810,12 @@ static struct ib_ah *ipath_create_ah(str
    if (ah_attr->dlid >= IPS_MULTICAST_LID_BASE &&
    ah_attr->dlid != IPS_PERMISSIVE_LID &&
    !(ah_attr->ah_flags & IB_AH_GRH)) {
    + ret = ERR_PTR(-EINVAL);
    + goto bail;
    + }
    +
    + if (ah_attr->port_num != 1 ||
    + ah_attr->port_num > pd->device->phys_port_cnt) {
    ret = ERR_PTR(-EINVAL);
    goto bail;
    }
    -
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