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macsec: missing dev_put() on error in macsec_newlink()

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We moved the dev_hold(real_dev); call earlier in the function but forgot
to update the error paths.

Fixes: 0759e552bc ("macsec: fix negative refcnt on parent link")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2018-03-21 11:09:01 +03:00 committed by David S. Miller
parent e0645d9b96
commit 5dcd840088
1 changed files with 3 additions and 2 deletions
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5
drivers/net/macsec.c
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@ -3277,7 +3277,7 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
err = netdev_upper_dev_link(real_dev, dev, extack);
if (err < 0)
goto unregister;
goto put_dev;
/* need to be already registered so that ->init has run and
* the MAC addr is set
@ -3316,7 +3316,8 @@ del_dev:
macsec_del_dev(macsec);
unlink:
netdev_upper_dev_unlink(real_dev, dev);
unregister:
put_dev:
dev_put(real_dev);
unregister_netdevice(dev);
return err;
}