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[NETFILTER]: nfnetlink_queue: eliminate impossible switch case
We don't need a default case in nfqnl_build_packet_message(), the copy_mode is validated when it is set. Tell the compiler about the possible types and remove the default case. Saves 80b of text on x86_64. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 1 additions and 6 deletions
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@ -232,7 +232,7 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
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spin_lock_bh(&queue->lock);
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switch (queue->copy_mode) {
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switch ((enum nfqnl_config_mode)queue->copy_mode) {
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case NFQNL_COPY_META:
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case NFQNL_COPY_NONE:
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data_len = 0;
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@ -253,11 +253,6 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
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size += nla_total_size(data_len);
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break;
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default:
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*errp = -EINVAL;
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spin_unlock_bh(&queue->lock);
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return NULL;
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}
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entry->id = queue->id_sequence++;
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