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net: fix __netdev_update_features return on ndo_set_features failure 

If ndo_set_features fails __netdev_update_features() will return -1 but
this is wrong because it is expected to return 0 if no features were
changed (see netdev_update_features()), which will cause a netdev
notifier to be called without any actual changes. Fix this by returning
0 if ndo_set_features fails.

Fixes: 6cb6a27c45 ("net: Call netdev_features_change() from netdev_update_features()")
CC: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2015-11-13 15:20:24 +01:00 committed by David S. Miller
parent 5f8dc33e8e
commit 00ee592717
1 changed files with 1 additions and 1 deletions
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2
net/core/dev.c
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@ -6433,7 +6433,7 @@ int __netdev_update_features(struct net_device *dev)
netdev_err(dev,
"set_features() failed (%d); wanted %pNF, left %pNF\n",
err, &features, &dev->features);
return -1;
return 0;
}
sync_lower: