From: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
When __netdev_update_features() was updated to ensure some features are
disabled on new lower devices, an error was introduced for devices which
don't have the ndo_set_features() method set. Before we'll just set the
new features, but now we return an error and don't set them. Fix this by
returning the old behaviour and setting err to 0 when ndo_set_features
is not present.
Fixes: e7868a85e1b2 ("net/core: ensure features get disabled on new lower devs")
CC: Jarod Wilson <ja...@redhat.com>
CC: Jiri Pirko <j...@resnulli.us>
CC: Ido Schimmel <ido...@mellanox.com>
CC: Sander Eikelenboom <li...@eikelenboom.it>
CC: Andy Gospodarek <go...@cumulusnetworks.com>
CC: Florian Fainelli <f.faine...@gmail.com>
Signed-off-by: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
---
Sander please feel free to give your Tested-by.
net/core/dev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/core/dev.c b/net/core/dev.c
index ab9b8d0d115e..4a1d198dbbff 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6426,6 +6426,8 @@ int __netdev_update_features(struct net_device *dev)
if (dev->netdev_ops->ndo_set_features)
err = dev->netdev_ops->ndo_set_features(dev, features);
+ else
+ err = 0;
if (unlikely(err < 0)) {
netdev_err(dev,
--
2.4.3
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