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IB/ipoib: Fix CONFIG_INFINIBAND_IPOIB_CM

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If the above is turned off then ipoib_cm_dev_init unconditionally
returns ENOSYS, and the newly added error handling in
0b3957 prevents ipoib from coming up at all:

kernel: mlx4_0: ipoib_transport_dev_init failed
kernel: mlx4_0: failed to initialize port 1 (ret = -12)

Fixes: 0b39578bcd (IB/ipoib: Use dedicated workqueues per interface)
Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Jason Gunthorpe 2015-07-22 14:30:03 -06:00 committed by Doug Ledford
parent 49fa63d8c2
commit efc1eedbf6
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/ulp/ipoib/ipoib_verbs.c
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@ -177,7 +177,8 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
else
size += ipoib_recvq_size * ipoib_max_conn_qp;
} else
goto out_free_wq;
if (ret != -ENOSYS)
goto out_free_wq;
cq_attr.cqe = size;
priv->recv_cq = ib_create_cq(priv->ca, ipoib_ib_completion, NULL,