diff options
Diffstat (limited to 'net/sctp/sm_make_chunk.c')
| -rw-r--r-- | net/sctp/sm_make_chunk.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index e4a400f88168..f67df16bd340 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -2318,7 +2318,6 @@ int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk, union sctp_addr addr; struct sctp_af *af; int src_match = 0; - char *cookie; /* We must include the address that the INIT packet came from. * This is the only address that matters for an INIT packet. @@ -2422,14 +2421,6 @@ int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk, /* Peer Rwnd : Current calculated value of the peer's rwnd. */ asoc->peer.rwnd = asoc->peer.i.a_rwnd; - /* Copy cookie in case we need to resend COOKIE-ECHO. */ - cookie = asoc->peer.cookie; - if (cookie) { - asoc->peer.cookie = kmemdup(cookie, asoc->peer.cookie_len, gfp); - if (!asoc->peer.cookie) - goto clean_up; - } - /* RFC 2960 7.2.1 The initial value of ssthresh MAY be arbitrarily * high (for example, implementations MAY use the size of the receiver * advertised window). @@ -2595,7 +2586,11 @@ do_addr_param: case SCTP_PARAM_STATE_COOKIE: asoc->peer.cookie_len = ntohs(param.p->length) - sizeof(struct sctp_paramhdr); - asoc->peer.cookie = param.cookie->body; + if (asoc->peer.cookie) + kfree(asoc->peer.cookie); + asoc->peer.cookie = kmemdup(param.cookie->body, asoc->peer.cookie_len, gfp); + if (!asoc->peer.cookie) + retval = 0; break; case SCTP_PARAM_HEARTBEAT_INFO: @@ -2657,6 +2652,8 @@ do_addr_param: goto fall_through; /* Save peer's random parameter */ + if (asoc->peer.peer_random) + kfree(asoc->peer.peer_random); asoc->peer.peer_random = kmemdup(param.p, ntohs(param.p->length), gfp); if (!asoc->peer.peer_random) { @@ -2670,6 +2667,8 @@ do_addr_param: goto fall_through; /* Save peer's HMAC list */ + if (asoc->peer.peer_hmacs) + kfree(asoc->peer.peer_hmacs); asoc->peer.peer_hmacs = kmemdup(param.p, ntohs(param.p->length), gfp); if (!asoc->peer.peer_hmacs) { @@ -2685,6 +2684,8 @@ do_addr_param: if (!ep->auth_enable) goto fall_through; + if (asoc->peer.peer_chunks) + kfree(asoc->peer.peer_chunks); asoc->peer.peer_chunks = kmemdup(param.p, ntohs(param.p->length), gfp); if (!asoc->peer.peer_chunks) |