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Diffstat (limited to 'net/phonet/pep.c')
-rw-r--r--net/phonet/pep.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 72db27e3fc06..360cf377693e 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -860,7 +860,9 @@ static int pep_sendmsg(struct kiocb *iocb, struct sock *sk,
int flags = msg->msg_flags;
int err, done;
- if (msg->msg_flags & MSG_OOB || !(msg->msg_flags & MSG_EOR))
+ if ((msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_NOSIGNAL|
+ MSG_CMSG_COMPAT)) ||
+ !(msg->msg_flags & MSG_EOR))
return -EOPNOTSUPP;
skb = sock_alloc_send_skb(sk, MAX_PNPIPE_HEADER + len,
@@ -981,6 +983,10 @@ static int pep_recvmsg(struct kiocb *iocb, struct sock *sk,
struct sk_buff *skb;
int err;
+ if (flags & ~(MSG_OOB|MSG_PEEK|MSG_TRUNC|MSG_DONTWAIT|MSG_WAITALL|
+ MSG_NOSIGNAL|MSG_CMSG_COMPAT))
+ return -EOPNOTSUPP;
+
if (unlikely(1 << sk->sk_state & (TCPF_LISTEN | TCPF_CLOSE)))
return -ENOTCONN;
@@ -988,6 +994,8 @@ static int pep_recvmsg(struct kiocb *iocb, struct sock *sk,
/* Dequeue and acknowledge control request */
struct pep_sock *pn = pep_sk(sk);
+ if (flags & MSG_PEEK)
+ return -EOPNOTSUPP;
skb = skb_dequeue(&pn->ctrlreq_queue);
if (skb) {
pep_ctrlreq_error(sk, skb, PN_PIPE_NO_ERROR,

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