net: Potential null skb->dev dereference

[deliverable/linux.git] / include / linux / netdevice.h

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c79a88be7c33813c494bc3694229b943f2fc4d9e..fa8b47637997cd4eef3f0e791ce8bf5b48b34a85 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2059,12 +2059,12 @@ static inline void skb_bond_set_mac_by_master(struct sk_buff *skb,
  * duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
  * ARP on active-backup slaves with arp_validate enabled.
  */
-static inline int skb_bond_should_drop(struct sk_buff *skb)
+static inline int skb_bond_should_drop(struct sk_buff *skb,
+                                      struct net_device *master)
 {
-       struct net_device *dev = skb->dev;
-       struct net_device *master = dev->master;
-
        if (master) {
+               struct net_device *dev = skb->dev;
+
                if (master->priv_flags & IFF_MASTER_ARPMON)
                        dev->last_rx = jiffies;