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authorEric Dumazet <edumazet@google.com>2023-09-21 20:28:11 +0000
committerDavid S. Miller <davem@davemloft.net>2023-10-01 19:09:54 +0100
commit10bbf1652c1cca9819e98d56f3432c56d7a2d229 (patch)
treeab9494c905436ea6f2b9fa1bb979addd2d58da71 /net/sctp/ipv6.c
parent06bc3668cc2a6db2831b9086f0e3c6ebda599dba (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/sctp/ipv6.c')
-rw-r--r--net/sctp/ipv6.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 5c0ed5909d85..24368f755ab1 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -247,7 +247,7 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *t)
rcu_read_lock();
res = ip6_xmit(sk, skb, fl6, sk->sk_mark,
rcu_dereference(np->opt),
- tclass, sk->sk_priority);
+ tclass, READ_ONCE(sk->sk_priority));
rcu_read_unlock();
return res;
}