1 files changed, 26 insertions, 7 deletions

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index e677937a07fc..c5b0915d106b 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -31,6 +31,7 @@
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv6.h>
 #include <linux/skbuff.h>
+#include <linux/compat.h>
 #include <asm/uaccess.h>
 #include <asm/ioctls.h>
 
@@ -373,7 +374,7 @@ void raw6_icmp_error(struct sk_buff *skb, int nexthdr,
 
 static inline int rawv6_rcv_skb(struct sock * sk, struct sk_buff * skb)
 {
-	if ((raw6_sk(sk)->checksum || sk->sk_filter) &&
+	if ((raw6_sk(sk)->checksum || rcu_dereference_raw(sk->sk_filter)) &&
 	    skb_checksum_complete(skb)) {
 		atomic_inc(&sk->sk_drops);
 		kfree_skb(skb);
@@ -764,7 +765,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 			return -EINVAL;
 
 		if (sin6->sin6_family && sin6->sin6_family != AF_INET6)
-			return(-EAFNOSUPPORT);
+			return -EAFNOSUPPORT;
 
 		/* port is the proto value [0..255] carried in nexthdr */
 		proto = ntohs(sin6->sin6_port);
@@ -772,10 +773,10 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 		if (!proto)
 			proto = inet->inet_num;
 		else if (proto != inet->inet_num)
-			return(-EINVAL);
+			return -EINVAL;
 
 		if (proto > 255)
-			return(-EINVAL);
+			return -EINVAL;
 
 		daddr = &sin6->sin6_addr;
 		if (np->sndflow) {
@@ -985,7 +986,7 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
 			/* You may get strange result with a positive odd offset;
 			   RFC2292bis agrees with me. */
 			if (val > 0 && (val&1))
-				return(-EINVAL);
+				return -EINVAL;
 			if (val < 0) {
 				rp->checksum = 0;
 			} else {
@@ -997,7 +998,7 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
 			break;
 
 		default:
-			return(-ENOPROTOOPT);
+			return -ENOPROTOOPT;
 	}
 }
 
@@ -1157,6 +1158,23 @@ static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
 	}
 }
 
+#ifdef CONFIG_COMPAT
+static int compat_rawv6_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg)
+{
+	switch (cmd) {
+	case SIOCOUTQ:
+	case SIOCINQ:
+		return -ENOIOCTLCMD;
+	default:
+#ifdef CONFIG_IPV6_MROUTE
+		return ip6mr_compat_ioctl(sk, cmd, compat_ptr(arg));
+#else
+		return -ENOIOCTLCMD;
+#endif
+	}
+}
+#endif
+
 static void rawv6_close(struct sock *sk, long timeout)
 {
 	if (inet_sk(sk)->inet_num == IPPROTO_RAW)
@@ -1190,7 +1208,7 @@ static int rawv6_init_sk(struct sock *sk)
 	default:
 		break;
 	}
-	return(0);
+	return 0;
 }
 
 struct proto rawv6_prot = {
@@ -1215,6 +1233,7 @@ struct proto rawv6_prot = {
 #ifdef CONFIG_COMPAT
 	.compat_setsockopt = compat_rawv6_setsockopt,
 	.compat_getsockopt = compat_rawv6_getsockopt,
+	.compat_ioctl	   = compat_rawv6_ioctl,
 #endif
 };