commit 82ecbcb9c6b5257929968d5b0ed536772a9b4ac5
author Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Mon Jan 04 02:02:49 2010 +0000
committer David S. Miller <davem@davemloft.net> Thu Jan 07 00:24:55 2010 -0800
tree c147c743bc284709f87ba677048757a3b4547357
parent fea93ecef619b5779ca6984568517b1685079b05

Phonet: reject unsupported sendmsg/recvmsg flags

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/phonet/datagram.c

diff --git a/net/phonet/datagram.c b/net/phonet/datagram.c
index 67f072e..387197b 100644
--- a/net/phonet/datagram.c
+++ b/net/phonet/datagram.c
@@ -75,7 +75,8 @@
 	struct sk_buff *skb;
 	int err;
 
-	if (msg->msg_flags & MSG_OOB)
+	if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_NOSIGNAL|
+				MSG_CMSG_COMPAT))
 		return -EOPNOTSUPP;
 
 	if (msg->msg_name == NULL)
@@ -119,7 +120,8 @@
 	int rval = -EOPNOTSUPP;
 	int copylen;
 
-	if (flags & MSG_OOB)
+	if (flags & ~(MSG_PEEK|MSG_TRUNC|MSG_DONTWAIT|MSG_NOSIGNAL|
+			MSG_CMSG_COMPAT))
 		goto out_nofree;
 
 	if (addr_len)