CMA: document cma=0

[firefly-linux-kernel-4.4.55.git] / net / socket.c

diff --git a/net/socket.c b/net/socket.c
index 2e2586e2dee19184e07e01c528563c7000cf912e..ffd9cb46902b3640c5a52947391ad16c5d0c69b9 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -610,7 +610,7 @@ void sock_release(struct socket *sock)
 }
 EXPORT_SYMBOL(sock_release);
 
-void sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags)
+void __sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags)
 {
        u8 flags = *tx_flags;
 
@@ -626,12 +626,9 @@ void sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags)
        if (sk->sk_tsflags & SOF_TIMESTAMPING_TX_ACK)
                flags |= SKBTX_ACK_TSTAMP;
 
-       if (sock_flag(sk, SOCK_WIFI_STATUS))
-               flags |= SKBTX_WIFI_STATUS;
-
        *tx_flags = flags;
 }
-EXPORT_SYMBOL(sock_tx_timestamp);
+EXPORT_SYMBOL(__sock_tx_timestamp);
 
 static inline int __sock_sendmsg_nosec(struct kiocb *iocb, struct socket *sock,
                                       struct msghdr *msg, size_t size)
@@ -1996,6 +1993,9 @@ static int copy_msghdr_from_user(struct msghdr *kmsg,
        if (copy_from_user(kmsg, umsg, sizeof(struct msghdr)))
                return -EFAULT;
 
+       if (kmsg->msg_name == NULL)
+               kmsg->msg_namelen = 0;
+
        if (kmsg->msg_namelen < 0)
                return -EINVAL;