From: Jason Xing kernelxing@tencent.com
[ Upstream commit f99b494b40431f0ca416859f2345746199398e2b ]
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 d780adf54e19e..376b6af431448 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -461,7 +461,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol, nr->t4 = msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_busy_delay)); nr->idle = - msecs_to_jiffies(sysctl_netrom_transport_no_activity_timeout); + msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_no_activity_timeout)); nr->window = READ_ONCE(sysctl_netrom_transport_requested_window_size);
nr->bpqext = 1;