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| author | Jason Xing <kernelxing@tencent.com> | 2024-03-04 16:20:39 +0800 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2024-03-15 10:48:20 -0400 |
| commit | fa3f3ab5c399852d32a0c3cbb8c55882f7e2c61f (patch) | |
| tree | f276886858cf23465983227f8fb1a5ea9860c30e | |
| parent | 5d5c14efc987900509cec465af26608e39ac607c (diff) | |
| download | linux-stable-fa3f3ab5c399852d32a0c3cbb8c55882f7e2c61f.tar.gz linux-stable-fa3f3ab5c399852d32a0c3cbb8c55882f7e2c61f.tar.bz2 linux-stable-fa3f3ab5c399852d32a0c3cbb8c55882f7e2c61f.zip | |
netrom: Fix a data-race around sysctl_netrom_transport_maximum_tries
[ Upstream commit e799299aafed417cc1f32adccb2a0e5268b3f6d5 ]
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>
| -rw-r--r-- | net/netrom/af_netrom.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index d8a25f614c50..a3b02f090bba 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -457,7 +457,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol, nr->t2 = msecs_to_jiffies(sysctl_netrom_transport_acknowledge_delay); nr->n2 = - msecs_to_jiffies(sysctl_netrom_transport_maximum_tries); + msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_maximum_tries)); nr->t4 = msecs_to_jiffies(sysctl_netrom_transport_busy_delay); nr->idle = |