diff options
| -rw-r--r-- | include/linux/if_vlan.h | 7 | ||||
| -rw-r--r-- | net/core/dev.c | 2 |
2 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 8feecd5345e7..7e39719e27cb 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -600,7 +600,7 @@ static inline bool skb_vlan_tagged(const struct sk_buff *skb) * Returns true if the skb is tagged with multiple vlan headers, regardless * of whether it is hardware accelerated or not. */ -static inline bool skb_vlan_tagged_multi(const struct sk_buff *skb) +static inline bool skb_vlan_tagged_multi(struct sk_buff *skb) { __be16 protocol = skb->protocol; @@ -610,6 +610,9 @@ static inline bool skb_vlan_tagged_multi(const struct sk_buff *skb) if (likely(!eth_type_vlan(protocol))) return false; + if (unlikely(!pskb_may_pull(skb, VLAN_ETH_HLEN))) + return false; + veh = (struct vlan_ethhdr *)skb->data; protocol = veh->h_vlan_encapsulated_proto; } @@ -627,7 +630,7 @@ static inline bool skb_vlan_tagged_multi(const struct sk_buff *skb) * * Returns features without unsafe ones if the skb has multiple tags. */ -static inline netdev_features_t vlan_features_check(const struct sk_buff *skb, +static inline netdev_features_t vlan_features_check(struct sk_buff *skb, netdev_features_t features) { if (skb_vlan_tagged_multi(skb)) { diff --git a/net/core/dev.c b/net/core/dev.c index 3d9190c2940d..5407d5f7b2d0 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2871,7 +2871,7 @@ netdev_features_t passthru_features_check(struct sk_buff *skb, } EXPORT_SYMBOL(passthru_features_check); -static netdev_features_t dflt_features_check(const struct sk_buff *skb, +static netdev_features_t dflt_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features) { |