IB/{core,hw}: Add constant for node_desc

[cascardo/linux.git] / drivers / infiniband / hw / mlx4 / mad.c

diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 9b4b21b..d8886d0 100644 (file)
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -345,7 +345,8 @@ static void node_desc_override(struct ib_device *dev,
            mad->mad_hdr.method == IB_MGMT_METHOD_GET_RESP &&
            mad->mad_hdr.attr_id == IB_SMP_ATTR_NODE_DESC) {
                spin_lock_irqsave(&to_mdev(dev)->sm_lock, flags);
-               memcpy(((struct ib_smp *) mad)->data, dev->node_desc, 64);
+               memcpy(((struct ib_smp *) mad)->data, dev->node_desc,
+                      IB_DEVICE_NODE_DESC_MAX);
                spin_unlock_irqrestore(&to_mdev(dev)->sm_lock, flags);
        }
 }