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authorAl Viro <viro@zeniv.linux.org.uk>2016-05-17 02:17:59 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2016-05-17 02:17:59 -0400
commit0e0162bb8c008fa7742f69d4d4982c8a37b88f95 (patch)
tree4b230ab63b5698a44d2948e70a6cc22405c351e9 /net/batman-adv/soft-interface.c
parentae05327a00fd47c34dfe25294b359a3f3fef96e8 (diff)
parent38b78a5f18584db6fa7441e0f4531b283b0e6725 (diff)
downloadtalos-op-linux-0e0162bb8c008fa7742f69d4d4982c8a37b88f95.tar.gz
talos-op-linux-0e0162bb8c008fa7742f69d4d4982c8a37b88f95.zip
Merge branch 'ovl-fixes' into for-linus
Backmerge to resolve a conflict in ovl_lookup_real(); "ovl_lookup_real(): use lookup_one_len_unlocked()" instead, but it was too late in the cycle to rebase.
Diffstat (limited to 'net/batman-adv/soft-interface.c')
-rw-r--r--net/batman-adv/soft-interface.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 0710379491bf..8a136b6a1ff0 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -408,11 +408,17 @@ void batadv_interface_rx(struct net_device *soft_iface,
*/
nf_reset(skb);
+ if (unlikely(!pskb_may_pull(skb, ETH_HLEN)))
+ goto dropped;
+
vid = batadv_get_vid(skb, 0);
ethhdr = eth_hdr(skb);
switch (ntohs(ethhdr->h_proto)) {
case ETH_P_8021Q:
+ if (!pskb_may_pull(skb, VLAN_ETH_HLEN))
+ goto dropped;
+
vhdr = (struct vlan_ethhdr *)skb->data;
if (vhdr->h_vlan_encapsulated_proto != ethertype)
@@ -424,8 +430,6 @@ void batadv_interface_rx(struct net_device *soft_iface,
}
/* skb->dev & skb->pkt_type are set here */
- if (unlikely(!pskb_may_pull(skb, ETH_HLEN)))
- goto dropped;
skb->protocol = eth_type_trans(skb, soft_iface);
/* should not be necessary anymore as we use skb_pull_rcsum()
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