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| author | Eric Dumazet <edumazet@google.com> | 2023-09-21 20:28:11 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-10-01 19:09:54 +0100 |
| commit | 10bbf1652c1cca9819e98d56f3432c56d7a2d229 (patch) | |
| tree | ab9494c905436ea6f2b9fa1bb979addd2d58da71 /net/ipv4/tcp_ipv4.c | |
| parent | 06bc3668cc2a6db2831b9086f0e3c6ebda599dba (diff) | |
| download | linux-stable-10bbf1652c1cca9819e98d56f3432c56d7a2d229.tar.gz linux-stable-10bbf1652c1cca9819e98d56f3432c56d7a2d229.tar.bz2 linux-stable-10bbf1652c1cca9819e98d56f3432c56d7a2d229.zip | |
net: implement lockless SO_PRIORITY
This is a followup of 8bf43be799d4 ("net: annotate data-races
around sk->sk_priority").
sk->sk_priority can be read and written without holding the socket lock.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Wenjia Zhang <wenjia@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index f13eb7e23d03..95e972be0c05 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -828,7 +828,7 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb) ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ? inet_twsk(sk)->tw_mark : sk->sk_mark; ctl_sk->sk_priority = (sk->sk_state == TCP_TIME_WAIT) ? - inet_twsk(sk)->tw_priority : sk->sk_priority; + inet_twsk(sk)->tw_priority : READ_ONCE(sk->sk_priority); transmit_time = tcp_transmit_time(sk); xfrm_sk_clone_policy(ctl_sk, sk); txhash = (sk->sk_state == TCP_TIME_WAIT) ? |