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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 10:48:15 -0400 |
| commit | 84b8486e9cedc93875f251ba31abcf73bd586a3a (patch) | |
| tree | c9b6363d11f5494575b25fe908bbc564668ed1df /net | |
| parent | 500936692ccca8617a955652d1929f079b17a201 (diff) | |
| download | linux-84b8486e9cedc93875f251ba31abcf73bd586a3a.tar.gz linux-84b8486e9cedc93875f251ba31abcf73bd586a3a.tar.bz2 linux-84b8486e9cedc93875f251ba31abcf73bd586a3a.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>
Diffstat (limited to 'net')
| -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 a07652c91f2d..9d4a1d56badc 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -460,7 +460,7 @@ 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 = |