sctp: remove the typedef sctp_auth_chunk_t
[platform/kernel/linux-rpi.git] / net / sctp / sm_statefuns.c
index 9c235bb..8af90a5 100644 (file)
@@ -4093,7 +4093,7 @@ static sctp_ierror_t sctp_sf_authenticate(struct net *net,
        /* Pull in the auth header, so we can do some more verification */
        auth_hdr = (struct sctp_authhdr *)chunk->skb->data;
        chunk->subh.auth_hdr = auth_hdr;
-       skb_pull(chunk->skb, sizeof(struct sctp_authhdr));
+       skb_pull(chunk->skb, sizeof(*auth_hdr));
 
        /* Make sure that we support the HMAC algorithm from the auth
         * chunk.
@@ -4112,7 +4112,8 @@ static sctp_ierror_t sctp_sf_authenticate(struct net *net,
        /* Make sure that the length of the signature matches what
         * we expect.
         */
-       sig_len = ntohs(chunk->chunk_hdr->length) - sizeof(sctp_auth_chunk_t);
+       sig_len = ntohs(chunk->chunk_hdr->length) -
+                 sizeof(struct sctp_auth_chunk);
        hmac = sctp_auth_get_hmac(ntohs(auth_hdr->hmac_id));
        if (sig_len != hmac->hmac_len)
                return SCTP_IERROR_PROTO_VIOLATION;
@@ -4134,8 +4135,8 @@ static sctp_ierror_t sctp_sf_authenticate(struct net *net,
        memset(digest, 0, sig_len);
 
        sctp_auth_calculate_hmac(asoc, chunk->skb,
-                               (struct sctp_auth_chunk *)chunk->chunk_hdr,
-                               GFP_ATOMIC);
+                                (struct sctp_auth_chunk *)chunk->chunk_hdr,
+                                GFP_ATOMIC);
 
        /* Discard the packet if the digests do not match */
        if (memcmp(save_digest, digest, sig_len)) {