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authorDaniel Borkmann <dborkman@redhat.com>2013-02-12 05:15:33 +0000
committerDavid S. Miller <davem@davemloft.net>2013-02-12 16:05:11 -0500
commit570617e79c3ab31ce426efe9024af84efca862eb (patch)
tree7bafb469fa57e9fe475ae720ba83e24a1467d233 /net/sctp/endpointola.c
parent0790bbb68f9d483348c1d65381f3dd92602bfd05 (diff)
downloadlinux-570617e79c3ab31ce426efe9024af84efca862eb.tar.gz
net: sctp: remove unused multiple cookie keys
Vlad says: The whole multiple cookie keys code is completely unused
and has been all this time. Noone uses anything other then the
secret_key[0] since there is no changeover support anywhere.

Thus, for now clean up its left-over fragments.

Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/endpointola.c')
-rw-r--r--net/sctp/endpointola.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 1a9c5fb77310..73aad3d16a45 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -151,9 +151,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
 	ep->rcvbuf_policy = net->sctp.rcvbuf_policy;
 
 	/* Initialize the secret key used with cookie. */
-	get_random_bytes(&ep->secret_key[0], SCTP_SECRET_SIZE);
-	ep->last_key = ep->current_key = 0;
-	ep->key_changed_at = jiffies;
+	get_random_bytes(ep->secret_key, sizeof(ep->secret_key));
 
 	/* SCTP-AUTH extensions*/
 	INIT_LIST_HEAD(&ep->endpoint_shared_keys);
@@ -249,8 +247,6 @@ void sctp_endpoint_free(struct sctp_endpoint *ep)
 /* Final destructor for endpoint.  */
 static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
 {
-	int i;
-
 	SCTP_ASSERT(ep->base.dead, "Endpoint is not dead", return);
 
 	/* Free up the HMAC transform. */
@@ -273,8 +269,7 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
 	sctp_inq_free(&ep->base.inqueue);
 	sctp_bind_addr_free(&ep->base.bind_addr);
 
-	for (i = 0; i < SCTP_HOW_MANY_SECRETS; ++i)
-		memset(&ep->secret_key[i], 0, SCTP_SECRET_SIZE);
+	memset(ep->secret_key, 0, sizeof(ep->secret_key));
 
 	/* Remove and free the port */
 	if (sctp_sk(ep->base.sk)->bind_hash)