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authorJason Xing <kernelxing@tencent.com>2024-03-04 16:20:43 +0800
committerPaolo Abeni <pabeni@redhat.com>2024-03-07 10:36:58 +0100
commitf99b494b40431f0ca416859f2345746199398e2b (patch)
tree4b060253eb161d8503d4d16111253fcebe6dc8c8
parenta2e706841488f474c06e9b33f71afc947fb3bf56 (diff)
netrom: Fix a data-race around sysctl_netrom_transport_no_activity_timeout
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>
-rw-r--r--net/netrom/af_netrom.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index e65418fb9d88..1671be042ffe 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;