diff options
Diffstat (limited to 'net/dccp/ipv6.c')
| -rw-r--r-- | net/dccp/ipv6.c | 30 | 
1 files changed, 6 insertions, 24 deletions
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 09169889959..6e3f32575df 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -248,7 +248,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req,  	struct ipv6_pinfo *np = inet6_sk(sk);  	struct sk_buff *skb;  	struct ipv6_txoptions *opt = NULL; -	struct in6_addr *final_p = NULL, final; +	struct in6_addr *final_p, final;  	struct flowi fl;  	int err = -1;  	struct dst_entry *dst; @@ -265,13 +265,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req,  	opt = np->opt; -	if (opt != NULL && opt->srcrt != NULL) { -		const struct rt0_hdr *rt0 = (struct rt0_hdr *)opt->srcrt; - -		ipv6_addr_copy(&final, &fl.fl6_dst); -		ipv6_addr_copy(&fl.fl6_dst, rt0->addr); -		final_p = &final; -	} +	final_p = fl6_update_dst(&fl, opt, &final);  	err = ip6_dst_lookup(sk, &dst, &fl);  	if (err) @@ -545,19 +539,13 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,  		goto out_overflow;  	if (dst == NULL) { -		struct in6_addr *final_p = NULL, final; +		struct in6_addr *final_p, final;  		struct flowi fl;  		memset(&fl, 0, sizeof(fl));  		fl.proto = IPPROTO_DCCP;  		ipv6_addr_copy(&fl.fl6_dst, &ireq6->rmt_addr); -		if (opt != NULL && opt->srcrt != NULL) { -			const struct rt0_hdr *rt0 = (struct rt0_hdr *)opt->srcrt; - -			ipv6_addr_copy(&final, &fl.fl6_dst); -			ipv6_addr_copy(&fl.fl6_dst, rt0->addr); -			final_p = &final; -		} +		final_p = fl6_update_dst(&fl, opt, &final);  		ipv6_addr_copy(&fl.fl6_src, &ireq6->loc_addr);  		fl.oif = sk->sk_bound_dev_if;  		fl.fl_ip_dport = inet_rsk(req)->rmt_port; @@ -885,7 +873,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,  	struct inet_sock *inet = inet_sk(sk);  	struct ipv6_pinfo *np = inet6_sk(sk);  	struct dccp_sock *dp = dccp_sk(sk); -	struct in6_addr *saddr = NULL, *final_p = NULL, final; +	struct in6_addr *saddr = NULL, *final_p, final;  	struct flowi fl;  	struct dst_entry *dst;  	int addr_type; @@ -988,13 +976,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,  	fl.fl_ip_sport = inet->inet_sport;  	security_sk_classify_flow(sk, &fl); -	if (np->opt != NULL && np->opt->srcrt != NULL) { -		const struct rt0_hdr *rt0 = (struct rt0_hdr *)np->opt->srcrt; - -		ipv6_addr_copy(&final, &fl.fl6_dst); -		ipv6_addr_copy(&fl.fl6_dst, rt0->addr); -		final_p = &final; -	} +	final_p = fl6_update_dst(&fl, np->opt, &final);  	err = ip6_dst_lookup(sk, &dst, &fl);  	if (err)  |