[PATCH] IPoIB: set dev_id field of IPoIB net_device

[Eli Cohen <eli-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>]

Use the net device's dev_id field to encode the port number of the pci device.
This can be used to to associate a net device with the pci device's port. The
encoding is: dev_id = port - 1.

Signed-off-by: Eli Cohen <eli-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
---
 drivers/infiniband/ulp/ipoib/ipoib_main.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index b4b2257..30d2333 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1240,6 +1240,7 @@ static struct net_device *ipoib_add_port(const char *format,
 		goto alloc_mem_failed;
 
 	SET_NETDEV_DEV(priv->dev, hca->dma_device);
+	priv->dev->dev_id = port - 1;
 
 	if (!ib_query_port(hca, port, &attr))
 		priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu);
-- 
1.7.2.2

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