X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv6%2Faf_inet6.c;h=d57813783830c68c40de59adb7c7694ba1e1948c;hb=07ab6b6274057612a056b5db754d9bcbd319d291;hp=d27c797f9f05e76b82317d1a73818e0a7557bdf3;hpb=06ef93e1b8405acac6ec900564e3ad1a8e3a72b2;p=pandora-kernel.git

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index d27c797f9f05..d57813783830 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -109,6 +109,9 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol,
 	int try_loading_module = 0;
 	int err;
 
+	if (protocol < 0 || protocol >= IPPROTO_MAX)
+		return -EINVAL;
+
 	if (sock->type != SOCK_RAW &&
 	    sock->type != SOCK_DGRAM &&
 	    !inet_ehash_secret)
@@ -430,8 +433,11 @@ void inet6_destroy_sock(struct sock *sk)
 
 	/* Free tx options */
 
-	if ((opt = xchg(&np->opt, NULL)) != NULL)
-		sock_kfree_s(sk, opt, opt->tot_len);
+	opt = xchg((__force struct ipv6_txoptions **)&np->opt, NULL);
+	if (opt) {
+		atomic_sub(opt->tot_len, &sk->sk_omem_alloc);
+		txopt_put(opt);
+	}
 }
 
 EXPORT_SYMBOL_GPL(inet6_destroy_sock);
@@ -669,7 +675,10 @@ int inet6_sk_rebuild_header(struct sock *sk)
 		fl6.fl6_sport = inet->inet_sport;
 		security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
 
-		final_p = fl6_update_dst(&fl6, np->opt, &final);
+		rcu_read_lock();
+		final_p = fl6_update_dst(&fl6, rcu_dereference(np->opt),
+					 &final);
+		rcu_read_unlock();
 
 		dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
 		if (IS_ERR(dst)) {