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authorVlad Yasevich <vladislav.yasevich@hp.com>2007-12-06 22:50:54 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2007-12-07 01:07:49 -0800
commit8e71a11c9f3c09a01fcb445772ffd61b140f2479 (patch)
treea0fb2c002d472252ea060c88f8dfda6ddb23b3fc /net/sctp/socket.c
parentf26f7c480555812ca7c4037e0a50fa54afe2cb4a (diff)
[SCTP]: Fix the bind_addr info during migration.
During accept/migrate the code attempts to copy the addresses from the parent endpoint to the new endpoint. However, if the parent was bound to a wildcard address, then we end up pointlessly copying all of the current addresses on the system. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/socket.c')
-rw-r--r--net/sctp/socket.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 9f5d7930f54d..ea9649ca0b2a 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -6326,7 +6326,6 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
struct sk_buff *skb, *tmp;
struct sctp_ulpevent *event;
struct sctp_bind_hashbucket *head;
- int flags = 0;
/* Migrate socket buffer sizes and all the socket level options to the
* new socket.
@@ -6356,15 +6355,8 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
/* Copy the bind_addr list from the original endpoint to the new
* endpoint so that we can handle restarts properly
*/
- if (PF_INET6 == assoc->base.sk->sk_family)
- flags = SCTP_ADDR6_ALLOWED;
- if (assoc->peer.ipv4_address)
- flags |= SCTP_ADDR4_PEERSUPP;
- if (assoc->peer.ipv6_address)
- flags |= SCTP_ADDR6_PEERSUPP;
- sctp_bind_addr_copy(&newsp->ep->base.bind_addr,
- &oldsp->ep->base.bind_addr,
- SCTP_SCOPE_GLOBAL, GFP_KERNEL, flags);
+ sctp_bind_addr_dup(&newsp->ep->base.bind_addr,
+ &oldsp->ep->base.bind_addr, GFP_KERNEL);
/* Move any messages in the old socket's receive queue that are for the
* peeled off association to the new socket's receive queue.