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IB/mlx4: Fix flow label returned from query QP

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Correct the mask used to get the flow label, since the field is 20 bits, 
not 24 bits.

Found by Dotan Barak and Yaron Gepstein of Mellanox. 

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Jack Morgenstein
2007-07-17 18:37:38 -07:00
committed by Roland Dreier
parent 1b07db7079
commit 586bb586ae
1 changed files with 1 additions and 1 deletions
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drivers/infiniband/hw/mlx4/qp.c
+1 -1
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@@ -1515,7 +1515,7 @@ static void to_ib_ah_attr(struct mlx4_dev *dev, struct ib_ah_attr *ib_ah_attr,
ib_ah_attr->grh.traffic_class =
(be32_to_cpu(path->tclass_flowlabel) >> 20) & 0xff;
ib_ah_attr->grh.flow_label =
be32_to_cpu(path->tclass_flowlabel) & 0xffffff;
be32_to_cpu(path->tclass_flowlabel) & 0xfffff;
memcpy(ib_ah_attr->grh.dgid.raw,
path->rgid, sizeof ib_ah_attr->grh.dgid.raw);
}