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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/appletalk/aarp.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/appletalk/aarp.c')
-rw-r--r--net/appletalk/aarp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c
index c7236daa2415..9fa0b246902b 100644
--- a/net/appletalk/aarp.c
+++ b/net/appletalk/aarp.c
@@ -664,7 +664,7 @@ out_unlock:
sendit:
if (skb->sk)
- skb->priority = skb->sk->sk_priority;
+ skb->priority = READ_ONCE(skb->sk->sk_priority);
if (dev_queue_xmit(skb))
goto drop;
sent: