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Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index bcc490cc945..f769098774b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -80,6 +80,7 @@
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/hash.h>
+#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/mutex.h>
#include <linux/string.h>
@@ -1988,8 +1989,12 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev,
if (dev->real_num_tx_queues > 1)
queue_index = skb_tx_hash(dev, skb);
- if (sk && sk->sk_dst_cache)
- sk_tx_queue_set(sk, queue_index);
+ if (sk) {
+ struct dst_entry *dst = rcu_dereference_bh(sk->sk_dst_cache);
+
+ if (dst && skb_dst(skb) == dst)
+ sk_tx_queue_set(sk, queue_index);
+ }
}
}
@@ -2483,6 +2488,7 @@ int netif_receive_skb(struct sk_buff *skb)
{
struct packet_type *ptype, *pt_prev;
struct net_device *orig_dev;
+ struct net_device *master;
struct net_device *null_or_orig;
struct net_device *null_or_bond;
int ret = NET_RX_DROP;
@@ -2503,11 +2509,12 @@ int netif_receive_skb(struct sk_buff *skb)
null_or_orig = NULL;
orig_dev = skb->dev;
- if (orig_dev->master) {
- if (skb_bond_should_drop(skb))
+ master = ACCESS_ONCE(orig_dev->master);
+ if (master) {
+ if (skb_bond_should_drop(skb, master))
null_or_orig = orig_dev; /* deliver only exact match */
else
- skb->dev = orig_dev->master;
+ skb->dev = master;
}
__get_cpu_var(netdev_rx_stat).total++;