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[NET]: Remove double dev->flags checking when calling dev_close()
The unregister_netdevice() and dev_change_net_namespace() both check for dev->flags to be IFF_UP before calling the dev_close(), but the dev_close() checks for IFF_UP itself, so remove those unneeded checks. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -3893,8 +3893,7 @@ void unregister_netdevice(struct net_device *dev)
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BUG_ON(dev->reg_state != NETREG_REGISTERED);
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BUG_ON(dev->reg_state != NETREG_REGISTERED);
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/* If device is running, close it first. */
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/* If device is running, close it first. */
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if (dev->flags & IFF_UP)
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dev_close(dev);
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dev_close(dev);
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/* And unlink it from device chain. */
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/* And unlink it from device chain. */
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unlist_netdevice(dev);
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unlist_netdevice(dev);
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@ -4018,8 +4017,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
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*/
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*/
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/* If device is running close it first. */
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/* If device is running close it first. */
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if (dev->flags & IFF_UP)
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dev_close(dev);
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dev_close(dev);
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/* And unlink it from device chain */
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/* And unlink it from device chain */
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err = -ENODEV;
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err = -ENODEV;
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