Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[cascardo/linux.git] / net / batman-adv / distributed-arp-table.c

diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index fa76465..b1cc8bf 100644 (file)
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -1011,9 +1011,12 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
                if (!skb_new)
                        goto out;
 
-               if (vid & BATADV_VLAN_HAS_TAG)
+               if (vid & BATADV_VLAN_HAS_TAG) {
                        skb_new = vlan_insert_tag(skb_new, htons(ETH_P_8021Q),
                                                  vid & VLAN_VID_MASK);
+                       if (!skb_new)
+                               goto out;
+               }
 
                skb_reset_mac_header(skb_new);
                skb_new->protocol = eth_type_trans(skb_new,
@@ -1091,9 +1094,12 @@ bool batadv_dat_snoop_incoming_arp_request(struct batadv_priv *bat_priv,
         */
        skb_reset_mac_header(skb_new);
 
-       if (vid & BATADV_VLAN_HAS_TAG)
+       if (vid & BATADV_VLAN_HAS_TAG) {
                skb_new = vlan_insert_tag(skb_new, htons(ETH_P_8021Q),
                                          vid & VLAN_VID_MASK);
+               if (!skb_new)
+                       goto out;
+       }
 
        /* To preserve backwards compatibility, the node has choose the outgoing
         * format based on the incoming request packet type. The assumption is