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ipv4: Make ip_idents_reserve static

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ip_idents_reserve is only used in net/ipv4/route.c. Make it static
and remove the export.

Signed-off-by: David Ahern <dsahern@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2022-01-28 16:53:47 -07:00 committed by David S. Miller
parent d192181c2c
commit 47ed9442b2
2 changed files with 1 additions and 3 deletions
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1
include/net/ip.h
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@ -517,7 +517,6 @@ void ip_dst_metrics_put(struct dst_entry *dst)
kfree(p);
}
u32 ip_idents_reserve(u32 hash, int segs);
void __ip_select_ident(struct net *net, struct iphdr *iph, int segs);
static inline void ip_select_ident_segs(struct net *net, struct sk_buff *skb,

3
net/ipv4/route.c
View File

@ -457,7 +457,7 @@ static u32 *ip_tstamps __read_mostly;
* if one generator is seldom used. This makes hard for an attacker
* to infer how many packets were sent between two points in time.
*/
u32 ip_idents_reserve(u32 hash, int segs)
static u32 ip_idents_reserve(u32 hash, int segs)
{
u32 bucket, old, now = (u32)jiffies;
atomic_t *p_id;
@ -478,7 +478,6 @@ u32 ip_idents_reserve(u32 hash, int segs)
*/
return atomic_add_return(segs + delta, p_id) - segs;
}
EXPORT_SYMBOL(ip_idents_reserve);
void __ip_select_ident(struct net *net, struct iphdr *iph, int segs)
{