diff options
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/ip_output.c | |
parent | 06bc3668cc2a6db2831b9086f0e3c6ebda599dba (diff) |
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/ip_output.c')
-rw-r--r-- | net/ipv4/ip_output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 4ab877cf6d35..6b14097e80ad 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -1449,7 +1449,7 @@ struct sk_buff *__ip_make_skb(struct sock *sk, ip_options_build(skb, opt, cork->addr, rt); } - skb->priority = (cork->tos != -1) ? cork->priority: sk->sk_priority; + skb->priority = (cork->tos != -1) ? cork->priority: READ_ONCE(sk->sk_priority); skb->mark = cork->mark; skb->tstamp = cork->transmit_time; /* |