From: Jason Xing kernelxing@tencent.com
[ Upstream commit 43547d8699439a67b78d6bb39015113f7aa360fd ]
We need to protect the reader reading the sysctl value because the value can be changed concurrently.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Jason Xing kernelxing@tencent.com Signed-off-by: Paolo Abeni pabeni@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- net/netrom/af_netrom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 05235768566a3..5769fe9c111ed 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -462,7 +462,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol, nr->n2 = msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_maximum_tries)); nr->t4 = - msecs_to_jiffies(sysctl_netrom_transport_busy_delay); + msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_busy_delay)); nr->idle = msecs_to_jiffies(sysctl_netrom_transport_no_activity_timeout); nr->window = sysctl_netrom_transport_requested_window_size;