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net: propagate dev_get_valid_name return code

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if dev_get_valid_name failed, propagate its return code

and remove the setting err to ENODEV, it will be set to
0 again before dev_change_net_namespace exits.

Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Li RongQing 2018-06-19 17:23:17 +08:00 committed by David S. Miller
parent 56f772279a
commit 7892bd0810
1 changed files with 2 additions and 2 deletions
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4
net/core/dev.c
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@ -8643,7 +8643,8 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
/* We get here if we can't use the current device name */
if (!pat)
goto out;
if (dev_get_valid_name(net, dev, pat) < 0)
err = dev_get_valid_name(net, dev, pat);
if (err < 0)
goto out;
}
@ -8655,7 +8656,6 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
dev_close(dev);
/* And unlink it from device chain */
err = -ENODEV;
unlist_netdevice(dev);
synchronize_net();