1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index 030913f8bd26..f4081c0a2d9c 100644
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -98,14 +98,16 @@ static void ri_tasklet(unsigned long dev)
                 stats->tx_packets++;
                 stats->tx_bytes +=skb->len;
 
-                skb->dev = dev_get_by_index(&init_net, skb->iif);
+                rcu_read_lock();
+                skb->dev = dev_get_by_index_rcu(&init_net, skb->skb_iif);
                 if (!skb->dev) {
+                        rcu_read_unlock();
                         dev_kfree_skb(skb);
                         stats->tx_dropped++;
                         break;
                 }
-                dev_put(skb->dev);
-                skb->iif = _dev->ifindex;
+                rcu_read_unlock();
+                skb->skb_iif = _dev->ifindex;
 
                 if (from & AT_EGRESS) {
                         dp->st_rx_frm_egr++;
@@ -170,7 +172,7 @@ static netdev_tx_t ifb_xmit(struct sk_buff *skb, struct net_device *dev)
         stats->rx_packets++;
         stats->rx_bytes+=skb->len;
 
-        if (!(from & (AT_INGRESS|AT_EGRESS)) || !skb->iif) {
+        if (!(from & (AT_INGRESS|AT_EGRESS)) || !skb->skb_iif) {
                 dev_kfree_skb(skb);
                 stats->rx_dropped++;
                 return NETDEV_TX_OK;