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Subject[PATCH AUTOSEL for 4.15 11/78] IB/ipoib: Warn when one port fails to initialize
Date
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>
---
drivers/infiniband/ulp/ipoib/ipoib_main.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 8880351df179..c35c28015f8e 100644
--- 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(const char *format,
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_device *device)
}

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

--
2.14.1
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