summaryrefslogtreecommitdiffstats
path: root/drivers/net/ppp/pppoe.c
diff options
context:
space:
mode:
authorEric Dumazet <edumazet@google.com>2023-09-21 22:28:11 +0200
committerDavid S. Miller <davem@davemloft.net>2023-10-01 20:09:54 +0200
commit10bbf1652c1cca9819e98d56f3432c56d7a2d229 (patch)
treeab9494c905436ea6f2b9fa1bb979addd2d58da71 /drivers/net/ppp/pppoe.c
parentopenvswitch: reduce stack usage in do_execute_actions (diff)
downloadlinux-10bbf1652c1cca9819e98d56f3432c56d7a2d229.tar.xz
linux-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 <edumazet@google.com> Reviewed-by: Wenjia Zhang <wenjia@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ppp/pppoe.c')
-rw-r--r--drivers/net/ppp/pppoe.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index ba8b6bd8233c..8e7238e97d0a 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -877,7 +877,7 @@ static int pppoe_sendmsg(struct socket *sock, struct msghdr *m,
skb->dev = dev;
- skb->priority = sk->sk_priority;
+ skb->priority = READ_ONCE(sk->sk_priority);
skb->protocol = cpu_to_be16(ETH_P_PPP_SES);
ph = skb_put(skb, total_len + sizeof(struct pppoe_hdr));