arp: make arp_hdr_len() return unsigned int
Negative ARP header length are not a thing. Constify arguments while I'm at it. Space savings: add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-3 (-3) function old new delta arpt_do_table 1163 1160 -3 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -2491,7 +2491,8 @@ int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond,
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struct slave *curr_active_slave, *curr_arp_slave;
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unsigned char *arp_ptr;
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__be32 sip, tip;
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int alen, is_arp = skb->protocol == __cpu_to_be16(ETH_P_ARP);
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int is_arp = skb->protocol == __cpu_to_be16(ETH_P_ARP);
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unsigned int alen;
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if (!slave_do_arp_validate(bond, slave)) {
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if ((slave_do_arp_validate_only(bond) && is_arp) ||
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@ -31,7 +31,7 @@ static inline struct arphdr *arp_hdr(const struct sk_buff *skb)
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return (struct arphdr *)skb_network_header(skb);
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}
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static inline int arp_hdr_len(struct net_device *dev)
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static inline unsigned int arp_hdr_len(const struct net_device *dev)
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{
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switch (dev->type) {
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#if IS_ENABLED(CONFIG_FIREWIRE_NET)
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