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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2021-07-07 01:19:43 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2021-07-07 01:19:43 +0200 |
| commit | d900385139e5aa8d584dee92c87bb85d0226253e (patch) | |
| tree | 26aa082f242221c535f2d8aa03b0c314c713e8ea /include/net/sock.h | |
| parent | 56168452b2a2fa8b4efc664d9fcb08536486a1ba (diff) | |
| parent | 200ecf5055dfba12b9bff6984830a7cdddee8ab1 (diff) | |
Merge tag 'v4.4.274' into toradex_vf_4.4-next
Linux 4.4.274
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 31198b32d912..1b657a3a30b5 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1728,7 +1728,8 @@ 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) @@ -1980,9 +1981,12 @@ 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; } } |