This is a note to let you know that I've just added the patch titled

IB/ipoib: Warn when one port fails to initialize

to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: ib-ipoib-warn-when-one-port-fails-to-initialize.patch and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Thu Mar 22 14:03:39 CET 2018

From: Yuval Shaia yuval.shaia@oracle.com Date: Wed, 29 Nov 2017 08:34:02 +0200 Subject: IB/ipoib: Warn when one port fails to initialize

From: Yuval Shaia yuval.shaia@oracle.com

[ Upstream commit ac6dbf7fa4707c75a247b540cc0b5c881f3d0ba8 ]

If one port fails to initialize an error message should indicate the reason and driver should continue serving the working port(s) and other HCA(s).

Fixes: e4b2d06892c7 ("IB/ipoib: Remove device when one port fails to init"). Signed-off-by: Yuval Shaia yuval.shaia@oracle.com Signed-off-by: Jason Gunthorpe jgg@mellanox.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/infiniband/ulp/ipoib/ipoib_main.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)

--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -2207,8 +2207,10 @@ static struct net_device *ipoib_add_port int result = -ENOMEM;

priv = ipoib_intf_alloc(hca, port, format); - if (!priv) + if (!priv) { + pr_warn("%s, %d: ipoib_intf_alloc failed\n", hca->name, port); goto alloc_mem_failed; + }

SET_NETDEV_DEV(priv->dev, hca->dev.parent); priv->dev->dev_id = port - 1; @@ -2337,8 +2339,7 @@ static void ipoib_add_one(struct ib_devi }

if (!count) { - pr_err("Failed to init port, removing it\n"); - ipoib_remove_one(device, dev_list); + kfree(dev_list); return; }

Patches currently in stable-queue which might be from yuval.shaia@oracle.com are

queue-4.15/ib-ipoib-warn-when-one-port-fails-to-initialize.patch