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ethtool: don't call set_channels in drivers if config didn't change
Don't call drivers if nothing changed. Netlink code already contains this logic. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1669,6 +1669,12 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
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dev->ethtool_ops->get_channels(dev, &curr);
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if (channels.rx_count == curr.rx_count &&
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channels.tx_count == curr.tx_count &&
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channels.combined_count == curr.combined_count &&
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channels.other_count == curr.other_count)
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return 0;
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/* ensure new counts are within the maximums */
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if (channels.rx_count > curr.max_rx ||
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channels.tx_count > curr.max_tx ||
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