diff options
| -rw-r--r-- | net/sctp/socket.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 9c6a4b5f6264..bd6f42a15a4b 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5058,6 +5058,7 @@ static int sctp_getsockopt_active_key(struct sock *sk, int len, static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len, char __user *optval, int __user *optlen) { + struct sctp_authchunks __user *p = (void __user *)optval; struct sctp_authchunks val; struct sctp_association *asoc; struct sctp_chunks_param *ch; @@ -5066,10 +5067,10 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len, if (len <= sizeof(struct sctp_authchunks)) return -EINVAL; - if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks))) + if (copy_from_user(&val, p, sizeof(struct sctp_authchunks))) return -EFAULT; - to = val.gauth_chunks; + to = p->gauth_chunks; asoc = sctp_id2assoc(sk, val.gauth_assoc_id); if (!asoc) return -EINVAL; @@ -5092,6 +5093,7 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len, static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len, char __user *optval, int __user *optlen) { + struct sctp_authchunks __user *p = (void __user *)optval; struct sctp_authchunks val; struct sctp_association *asoc; struct sctp_chunks_param *ch; @@ -5100,10 +5102,10 @@ static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len, if (len <= sizeof(struct sctp_authchunks)) return -EINVAL; - if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks))) + if (copy_from_user(&val, p, sizeof(struct sctp_authchunks))) return -EFAULT; - to = val.gauth_chunks; + to = p->gauth_chunks; asoc = sctp_id2assoc(sk, val.gauth_assoc_id); if (!asoc && val.gauth_assoc_id && sctp_style(sk, UDP)) return -EINVAL; |