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authorEric Dumazet <[email protected]>2023-09-21 20:28:11 +0000
committerDavid S. Miller <[email protected]>2023-10-01 18:09:54 +0000
commit10bbf1652c1cca9819e98d56f3432c56d7a2d229 (patch)
treeab9494c905436ea6f2b9fa1bb979addd2d58da71 /net/can/raw.c
parentopenvswitch: reduce stack usage in do_execute_actions (diff)
downloadkernel-10bbf1652c1cca9819e98d56f3432c56d7a2d229.tar.gz
kernel-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 <[email protected]> Reviewed-by: Wenjia Zhang <[email protected]> Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/can/raw.c')
-rw-r--r--net/can/raw.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/can/raw.c b/net/can/raw.c
index d50c3f3d892f..73468d2ebd51 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -881,7 +881,7 @@ static int raw_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
}
skb->dev = dev;
- skb->priority = sk->sk_priority;
+ skb->priority = READ_ONCE(sk->sk_priority);
skb->mark = READ_ONCE(sk->sk_mark);
skb->tstamp = sockc.transmit_time;