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-rw-r--r--include/net/sock.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 55d16db84ea4..029df5cdeaf1 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -454,8 +454,10 @@ struct sock {
u32 sk_ack_backlog;
u32 sk_max_ack_backlog;
kuid_t sk_uid;
+ spinlock_t sk_peer_lock;
struct pid *sk_peer_pid;
const struct cred *sk_peer_cred;
+
long sk_rcvtimeo;
ktime_t sk_stamp;
#if BITS_PER_LONG==32
@@ -1744,7 +1746,8 @@ static inline u32 net_tx_rndhash(void)
static inline void sk_set_txhash(struct sock *sk)
{
- sk->sk_txhash = net_tx_rndhash();
+ /* This pairs with READ_ONCE() in skb_set_hash_from_sk() */
+ WRITE_ONCE(sk->sk_txhash, net_tx_rndhash());
}
static inline void sk_rethink_txhash(struct sock *sk)
@@ -2018,9 +2021,12 @@ static inline void sock_poll_wait(struct file *filp,
static inline void skb_set_hash_from_sk(struct sk_buff *skb, struct sock *sk)
{
- if (sk->sk_txhash) {
+ /* This pairs with WRITE_ONCE() in sk_set_txhash() */
+ u32 txhash = READ_ONCE(sk->sk_txhash);
+
+ if (txhash) {
skb->l4_hash = 1;
- skb->hash = sk->sk_txhash;
+ skb->hash = txhash;
}
}