1 files changed, 6 insertions, 4 deletions

diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 19fe9c717ced..df9e6b1a9759 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -520,8 +520,8 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
                 skb->protocol = eth->h_proto = htons(ETH_P_IP);
         }
 
-        memcpy(eth->h_source, np->dev->dev_addr, ETH_ALEN);
-        memcpy(eth->h_dest, np->remote_mac, ETH_ALEN);
+        ether_addr_copy(eth->h_source, np->dev->dev_addr);
+        ether_addr_copy(eth->h_dest, np->remote_mac);
 
         skb->dev = np->dev;
 
@@ -742,7 +742,7 @@ static bool pkt_is_ns(struct sk_buff *skb)
         struct nd_msg *msg;
         struct ipv6hdr *hdr;
 
-        if (skb->protocol != htons(ETH_P_ARP))
+        if (skb->protocol != htons(ETH_P_IPV6))
                 return false;
         if (!pskb_may_pull(skb, sizeof(struct ipv6hdr) + sizeof(struct nd_msg)))
                 return false;
@@ -948,6 +948,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
 {
         char *cur=opt, *delim;
         int ipv6;
+        bool ipversion_set = false;
 
         if (*cur != '@') {
                 if ((delim = strchr(cur, '@')) == NULL)
@@ -960,6 +961,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
         cur++;
 
         if (*cur != '/') {
+                ipversion_set = true;
                 if ((delim = strchr(cur, '/')) == NULL)
                         goto parse_failed;
                 *delim = 0;
@@ -1002,7 +1004,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
         ipv6 = netpoll_parse_ip_addr(cur, &np->remote_ip);
         if (ipv6 < 0)
                 goto parse_failed;
-        else if (np->ipv6 != (bool)ipv6)
+        else if (ipversion_set && np->ipv6 != (bool)ipv6)
                 goto parse_failed;
         else
                 np->ipv6 = (bool)ipv6;