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Diffstat (limited to 'net/ipv6/udp.c')
-rw-r--r--net/ipv6/udp.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 69b146843a20..6001948600f3 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -405,9 +405,8 @@ static struct sock *udp_v6_mcast_next(struct sock *sk,
405 continue; 405 continue;
406 406
407 if (!ipv6_addr_any(&np->rcv_saddr)) { 407 if (!ipv6_addr_any(&np->rcv_saddr)) {
408 if (ipv6_addr_equal(&np->rcv_saddr, loc_addr)) 408 if (!ipv6_addr_equal(&np->rcv_saddr, loc_addr))
409 return s; 409 continue;
410 continue;
411 } 410 }
412 if(!inet6_mc_check(s, loc_addr, rmt_addr)) 411 if(!inet6_mc_check(s, loc_addr, rmt_addr))
413 continue; 412 continue;
@@ -640,6 +639,7 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
640 int tclass = -1; 639 int tclass = -1;
641 int corkreq = up->corkflag || msg->msg_flags&MSG_MORE; 640 int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
642 int err; 641 int err;
642 int connected = 0;
643 643
644 /* destination address check */ 644 /* destination address check */
645 if (sin6) { 645 if (sin6) {
@@ -749,6 +749,7 @@ do_udp_sendmsg:
749 fl->fl_ip_dport = inet->dport; 749 fl->fl_ip_dport = inet->dport;
750 daddr = &np->daddr; 750 daddr = &np->daddr;
751 fl->fl6_flowlabel = np->flow_label; 751 fl->fl6_flowlabel = np->flow_label;
752 connected = 1;
752 } 753 }
753 754
754 if (!fl->oif) 755 if (!fl->oif)
@@ -771,6 +772,7 @@ do_udp_sendmsg:
771 } 772 }
772 if (!(opt->opt_nflen|opt->opt_flen)) 773 if (!(opt->opt_nflen|opt->opt_flen))
773 opt = NULL; 774 opt = NULL;
775 connected = 0;
774 } 776 }
775 if (opt == NULL) 777 if (opt == NULL)
776 opt = np->opt; 778 opt = np->opt;
@@ -788,10 +790,13 @@ do_udp_sendmsg:
788 ipv6_addr_copy(&final, &fl->fl6_dst); 790 ipv6_addr_copy(&final, &fl->fl6_dst);
789 ipv6_addr_copy(&fl->fl6_dst, rt0->addr); 791 ipv6_addr_copy(&fl->fl6_dst, rt0->addr);
790 final_p = &final; 792 final_p = &final;
793 connected = 0;
791 } 794 }
792 795
793 if (!fl->oif && ipv6_addr_is_multicast(&fl->fl6_dst)) 796 if (!fl->oif && ipv6_addr_is_multicast(&fl->fl6_dst)) {
794 fl->oif = np->mcast_oif; 797 fl->oif = np->mcast_oif;
798 connected = 0;
799 }
795 800
796 err = ip6_dst_lookup(sk, &dst, fl); 801 err = ip6_dst_lookup(sk, &dst, fl);
797 if (err) 802 if (err)
@@ -847,7 +852,7 @@ do_append_data:
847 else if (!corkreq) 852 else if (!corkreq)
848 err = udp_v6_push_pending_frames(sk, up); 853 err = udp_v6_push_pending_frames(sk, up);
849 854
850 if (dst) 855 if (dst && connected)
851 ip6_dst_store(sk, dst, 856 ip6_dst_store(sk, dst,
852 ipv6_addr_equal(&fl->fl6_dst, &np->daddr) ? 857 ipv6_addr_equal(&fl->fl6_dst, &np->daddr) ?
853 &np->daddr : NULL); 858 &np->daddr : NULL);