diff options
| -rw-r--r-- | net/core/dev.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index d393fc997cd..5493394118f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1745,17 +1745,11 @@ out_kfree_skb: } static u32 skb_tx_hashrnd; -static int skb_tx_hashrnd_initialized = 0; static u16 skb_tx_hash(struct net_device *dev, struct sk_buff *skb) { u32 hash; - if (unlikely(!skb_tx_hashrnd_initialized)) { - get_random_bytes(&skb_tx_hashrnd, 4); - skb_tx_hashrnd_initialized = 1; - } - if (skb_rx_queue_recorded(skb)) { hash = skb_get_rx_queue(skb); } else if (skb->sk && skb->sk->sk_hash) { @@ -5291,6 +5285,14 @@ out: subsys_initcall(net_dev_init); +static int __init initialize_hashrnd(void) +{ + get_random_bytes(&skb_tx_hashrnd, sizeof(skb_tx_hashrnd)); + return 0; +} + +late_initcall_sync(initialize_hashrnd); + EXPORT_SYMBOL(__dev_get_by_index); EXPORT_SYMBOL(__dev_get_by_name); EXPORT_SYMBOL(__dev_remove_pack); |