Merge branch 'pm-qos'
[firefly-linux-kernel-4.4.55.git] / net / netfilter / nfnetlink_log.c
index 169ab59ed9d49073105443bfcae75c89a2f30024..5cfb5bedb2b8e8f2fa44ed936a7cab265b5878e6 100644 (file)
@@ -381,6 +381,7 @@ __build_packet_message(struct nfulnl_instance *inst,
        struct nlmsghdr *nlh;
        struct nfgenmsg *nfmsg;
        sk_buff_data_t old_tail = inst->skb->tail;
+       struct sock *sk;
 
        nlh = nlmsg_put(inst->skb, 0, 0,
                        NFNL_SUBSYS_ULOG << 8 | NFULNL_MSG_PACKET,
@@ -480,7 +481,7 @@ __build_packet_message(struct nfulnl_instance *inst,
        }
 
        if (indev && skb_mac_header_was_set(skb)) {
-               if (nla_put_be32(inst->skb, NFULA_HWTYPE, htons(skb->dev->type)) ||
+               if (nla_put_be16(inst->skb, NFULA_HWTYPE, htons(skb->dev->type)) ||
                    nla_put_be16(inst->skb, NFULA_HWLEN,
                                 htons(skb->dev->hard_header_len)) ||
                    nla_put(inst->skb, NFULA_HWHEADER, skb->dev->hard_header_len,
@@ -499,18 +500,19 @@ __build_packet_message(struct nfulnl_instance *inst,
        }
 
        /* UID */
-       if (skb->sk) {
-               read_lock_bh(&skb->sk->sk_callback_lock);
-               if (skb->sk->sk_socket && skb->sk->sk_socket->file) {
-                       struct file *file = skb->sk->sk_socket->file;
+       sk = skb->sk;
+       if (sk && sk->sk_state != TCP_TIME_WAIT) {
+               read_lock_bh(&sk->sk_callback_lock);
+               if (sk->sk_socket && sk->sk_socket->file) {
+                       struct file *file = sk->sk_socket->file;
                        __be32 uid = htonl(file->f_cred->fsuid);
                        __be32 gid = htonl(file->f_cred->fsgid);
-                       read_unlock_bh(&skb->sk->sk_callback_lock);
+                       read_unlock_bh(&sk->sk_callback_lock);
                        if (nla_put_be32(inst->skb, NFULA_UID, uid) ||
                            nla_put_be32(inst->skb, NFULA_GID, gid))
                                goto nla_put_failure;
                } else
-                       read_unlock_bh(&skb->sk->sk_callback_lock);
+                       read_unlock_bh(&sk->sk_callback_lock);
        }
 
        /* local sequence number */
@@ -996,8 +998,10 @@ static int __init nfnetlink_log_init(void)
 
 #ifdef CONFIG_PROC_FS
        if (!proc_create("nfnetlink_log", 0440,
-                        proc_net_netfilter, &nful_file_ops))
+                        proc_net_netfilter, &nful_file_ops)) {
+               status = -ENOMEM;
                goto cleanup_logger;
+       }
 #endif
        return status;