Commit 47ed9442 authored by David Ahern's avatar David Ahern Committed by David S. Miller
Browse files

ipv4: Make ip_idents_reserve static 



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

Signed-off-by: default avatarDavid Ahern <dsahern@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Reviewed-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d192181c

include/net/ip.h

+0 −1
Original line number Diff line number Diff line
@@ -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,

net/ipv4/route.c

+1 −2
Original line number Diff line number Diff line
@@ -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)

{