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Date: Sat, 8 Aug 2015 15:09:46 -0700
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org,
Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
Doug Ledford <dledford@...hat.com>
Subject: [PATCH 4.1 108/123] IB/ipoib: Fix CONFIG_INFINIBAND_IPOIB_CM
4.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
commit efc1eedbf63a194b3b576fc25776f3f1fa55a4d4 upstream.
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: 0b39578bcde4 (IB/ipoib: Use dedicated workqueues per interface)
Signed-off-by: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Signed-off-by: Doug Ledford <dledford@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/infiniband/ulp/ipoib/ipoib_verbs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -176,7 +176,8 @@ int ipoib_transport_dev_init(struct net_
else
size += ipoib_recvq_size * ipoib_max_conn_qp;
} else
- goto out_free_wq;
+ if (ret != -ENOSYS)
+ goto out_free_wq;
priv->recv_cq = ib_create_cq(priv->ca, ipoib_ib_completion, NULL, dev, size, 0);
if (IS_ERR(priv->recv_cq)) {
--
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