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dccp: constify dccp_make_response() socket argument

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Like tcp_make_synack() the only time we might change the socket is
when calling sock_wmalloc(), which is using atomic operation to
update sk->sk_wmem_alloc

Also use MAX_DCCP_HEADER as both IPv4/IPv6 use this value for max_header.

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 07:39:22 -07:00
committed by David S. Miller
parent 0f935dbedc
commit 802885fc04
2 changed files with 12 additions and 7 deletions
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2
net/dccp/dccp.h
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@@ -293,7 +293,7 @@ int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized);
void dccp_destroy_sock(struct sock *sk);
void dccp_close(struct sock *sk, long timeout);
struct sk_buff *dccp_make_response(struct sock *sk, struct dst_entry *dst,
struct sk_buff *dccp_make_response(const struct sock *sk, struct dst_entry *dst,
struct request_sock *req);
int dccp_connect(struct sock *sk);