Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched

[linux-2.6-omap-h63xx.git] / net / sctp / auth.c

diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index cbd64b216cce33a5e9a43e5fad24d4683a71a20d..97e6ebd145001e9b642fcf59d882714fa814e53e 100644 (file)
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -54,11 +54,13 @@ static struct sctp_hmac sctp_hmac_list[SCTP_AUTH_NUM_HMACS] = {
                /* id 2 is reserved as well */
                .hmac_id = SCTP_AUTH_HMAC_ID_RESERVED_2,
        },
+#if defined (CONFIG_CRYPTO_SHA256) || defined (CONFIG_CRYPTO_SHA256_MODULE)
        {
                .hmac_id = SCTP_AUTH_HMAC_ID_SHA256,
                .hmac_name="hmac(sha256)",
                .hmac_len = SCTP_SHA256_SIG_SIZE,
        }
+#endif
 };
 
 
@@ -107,7 +109,7 @@ struct sctp_shared_key *sctp_auth_shkey_create(__u16 key_id, gfp_t gfp)
 }
 
 /* Free the shared key stucture */
-void sctp_auth_shkey_free(struct sctp_shared_key *sh_key)
+static void sctp_auth_shkey_free(struct sctp_shared_key *sh_key)
 {
        BUG_ON(!list_empty(&sh_key->key_list));
        sctp_auth_key_put(sh_key->key);
@@ -220,7 +222,7 @@ static struct sctp_auth_bytes *sctp_auth_make_key_vector(
 
 
 /* Make a key vector based on our local parameters */
-struct sctp_auth_bytes *sctp_auth_make_local_vector(
+static struct sctp_auth_bytes *sctp_auth_make_local_vector(
                                    const struct sctp_association *asoc,
                                    gfp_t gfp)
 {
@@ -232,7 +234,7 @@ struct sctp_auth_bytes *sctp_auth_make_local_vector(
 }
 
 /* Make a key vector based on peer's parameters */
-struct sctp_auth_bytes *sctp_auth_make_peer_vector(
+static struct sctp_auth_bytes *sctp_auth_make_peer_vector(
                                    const struct sctp_association *asoc,
                                    gfp_t gfp)
 {
@@ -556,7 +558,7 @@ struct sctp_hmac *sctp_auth_asoc_get_hmac(const struct sctp_association *asoc)
        return &sctp_hmac_list[id];
 }
 
-static int __sctp_auth_find_hmacid(__u16 *hmacs, int n_elts, __u16 hmac_id)
+static int __sctp_auth_find_hmacid(__be16 *hmacs, int n_elts, __be16 hmac_id)
 {
        int  found = 0;
        int  i;
@@ -573,7 +575,7 @@ static int __sctp_auth_find_hmacid(__u16 *hmacs, int n_elts, __u16 hmac_id)
 
 /* See if the HMAC_ID is one that we claim as supported */
 int sctp_auth_asoc_verify_hmac_id(const struct sctp_association *asoc,
-                                   __u16 hmac_id)
+                                   __be16 hmac_id)
 {
        struct sctp_hmac_algo_param *hmacs;
        __u16 n_elt;
@@ -631,7 +633,7 @@ static int __sctp_auth_cid(sctp_cid_t chunk, struct sctp_chunks_param *param)
        int found = 0;
        int i;
 
-       if (!param)
+       if (!param || param->param_hdr.length == 0)
                return 0;
 
        len = ntohs(param->param_hdr.length) - sizeof(sctp_paramhdr_t);
@@ -726,10 +728,7 @@ void sctp_auth_calculate_hmac(const struct sctp_association *asoc,
 
        /* set up scatter list */
        end = skb_tail_pointer(skb);
-       sg_init_table(&sg, 1);
-       sg_set_page(&sg, virt_to_page(auth));
-       sg.offset = (unsigned long)(auth) % PAGE_SIZE;
-       sg.length = end - (unsigned char *)auth;
+       sg_init_one(&sg, auth, end - (unsigned char *)auth);
 
        desc.tfm = asoc->ep->auth_hmacs[hmac_id];
        desc.flags = 0;