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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/bluetooth/l2cap_sock.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/bluetooth/l2cap_sock.c')
-rw-r--r--net/bluetooth/l2cap_sock.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 3bdfc3f1e73d..e50d3d102078 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1615,7 +1615,7 @@ static struct sk_buff *l2cap_sock_alloc_skb_cb(struct l2cap_chan *chan,
return ERR_PTR(-ENOTCONN);
}
- skb->priority = sk->sk_priority;
+ skb->priority = READ_ONCE(sk->sk_priority);
bt_cb(skb)->l2cap.chan = chan;