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authorIngo Molnar <mingo@kernel.org>2016-05-07 07:00:07 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-07 07:00:07 +0200
commit35dc9ec1076b79c31bf7ed538af008b7f23bb14d (patch)
treef90affdd5dc45f47f8d5d84ea34c71e5e521e7a1 /net/batman-adv/soft-interface.c
parent0ec7ae928a9c19c2b7b8054507d5694a2597065e (diff)
parent07837831047fb72856d1f61a726a4094397facd8 (diff)
downloadlinux-35dc9ec1076b79c31bf7ed538af008b7f23bb14d.tar.bz2
Merge branch 'linus' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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()