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authorEric Dumazet <edumazet@google.com>2023-09-21 23:28:11 +0300
committerDavid S. Miller <davem@davemloft.net>2023-10-01 21:09:54 +0300
commit10bbf1652c1cca9819e98d56f3432c56d7a2d229 (patch)
treeab9494c905436ea6f2b9fa1bb979addd2d58da71 /net/ipv6/ip6_output.c
parent06bc3668cc2a6db2831b9086f0e3c6ebda599dba (diff)
downloadlinux-10bbf1652c1cca9819e98d56f3432c56d7a2d229.tar.xz
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/ipv6/ip6_output.c')
-rw-r--r--net/ipv6/ip6_output.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 951ba8089b5b..cdaa9275e990 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1984,7 +1984,7 @@ struct sk_buff *__ip6_make_skb(struct sock *sk,
hdr->saddr = fl6->saddr;
hdr->daddr = *final_dst;
- skb->priority = sk->sk_priority;
+ skb->priority = READ_ONCE(sk->sk_priority);
skb->mark = cork->base.mark;
skb->tstamp = cork->base.transmit_time;