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ip: constify ip_build_and_send_pkt() socket argument

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This function is used to build and send SYNACK packets,
possibly on behalf of unlocked listener socket.

Make sure we did not miss a write by making this socket const.

We no longer can use ip_select_ident() and have to either
set iph->id to 0 or directly call __ip_select_ident()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2015-09-25 07:39:16 -07:00
committed by David S. Miller
parent b83e3deb97
commit cfe673b0ae
2 changed files with 9 additions and 7 deletions
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2
include/net/ip.h
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@@ -100,7 +100,7 @@ int igmp_mc_init(void);
* Functions provided by ip.c
*/
int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
int ip_build_and_send_pkt(struct sk_buff *skb, const struct sock *sk,
__be32 saddr, __be32 daddr,
struct ip_options_rcu *opt);
int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,