diff options
| -rw-r--r-- | include/net/sctp/structs.h | 8 | ||||
| -rw-r--r-- | net/sctp/sm_make_chunk.c | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index ad3d15cb0a0db0..8c522ae031bbf5 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1250,6 +1250,14 @@ struct sctp_endpoint { int last_key; int key_changed_at; + /* digest: This is a digest of the sctp cookie. This field is + * only used on the receive path when we try to validate + * that the cookie has not been tampered with. We put + * this here so we pre-allocate this once and can re-use + * on every receive. + */ + __u8 digest[SCTP_SIGNATURE_SIZE]; + /* sendbuf acct. policy. */ __u32 sndbuf_policy; diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 4fe1d6c863b1c8..5e0de3c0eead53 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1359,7 +1359,7 @@ struct sctp_association *sctp_unpack_cookie( struct sctp_signed_cookie *cookie; struct sctp_cookie *bear_cookie; int headersize, bodysize, fixed_size; - __u8 digest[SCTP_SIGNATURE_SIZE]; + __u8 *digest = ep->digest; struct scatterlist sg; unsigned int keylen, len; char *key; |