summaryrefslogtreecommitdiff
path: root/net/ipv4/tcp_output.c
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2022-07-14 14:19:42 -0700
committerJakub Kicinski <kuba@kernel.org>2022-07-14 15:27:35 -0700
commit816cd1688331e0ffa1927889c15e7ed56650a183 (patch)
tree30cbcb7d5d4e1dd226fda651f25ca094e54714a0 /net/ipv4/tcp_output.c
parentb126047f43f11f61f1dd64802979765d71795dae (diff)
parentdb886979683a8360ced9b24ab1125ad0c4d2cf76 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
include/net/sock.h 310731e2f161 ("net: Fix data-races around sysctl_mem.") e70f3c701276 ("Revert "net: set SK_MEM_QUANTUM to 4096"") https://lore.kernel.org/all/20220711120211.7c8b7cba@canb.auug.org.au/ net/ipv4/fib_semantics.c 747c14307214 ("ip: fix dflt addr selection for connected nexthop") d62607c3fe45 ("net: rename reference+tracking helpers") net/tls/tls.h include/net/tls.h 3d8c51b25a23 ("net/tls: Check for errors in tls_device_init") 587903142308 ("tls: create an internal header") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index d1ca3df275df..858a15cc2cc9 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -324,7 +324,7 @@ static void tcp_ecn_send_syn(struct sock *sk, struct sk_buff *skb)
{
struct tcp_sock *tp = tcp_sk(sk);
bool bpf_needs_ecn = tcp_bpf_ca_needs_ecn(sk);
- bool use_ecn = sock_net(sk)->ipv4.sysctl_tcp_ecn == 1 ||
+ bool use_ecn = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_ecn) == 1 ||
tcp_ca_needs_ecn(sk) || bpf_needs_ecn;
if (!use_ecn) {
@@ -346,7 +346,7 @@ static void tcp_ecn_send_syn(struct sock *sk, struct sk_buff *skb)
static void tcp_ecn_clear_syn(struct sock *sk, struct sk_buff *skb)
{
- if (sock_net(sk)->ipv4.sysctl_tcp_ecn_fallback)
+ if (READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_ecn_fallback))
/* tp->ecn_flags are cleared at a later point in time when
* SYN ACK is ultimatively being received.
*/