diff options
| author | Jason Xing <kernelxing@tencent.com> | 2024-03-04 11:20:36 +0300 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2024-03-15 17:48:15 +0300 |
| commit | e3a3718b1723253d4f068e88e81d880d71f1a1e9 (patch) | |
| tree | 16962d08a7a44eed6de45c711bc245f7ed2abca6 /net | |
| parent | 7644df766006d4878a556e427e3ecc78c2d5606b (diff) | |
| download | linux-e3a3718b1723253d4f068e88e81d880d71f1a1e9.tar.xz | |
netrom: Fix a data-race around sysctl_netrom_obsolescence_count_initialiser
[ Upstream commit cfd9f4a740f772298308b2e6070d2c744fb5cf79 ]
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/nr_route.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c index e3ce3531608c..929446e246b3 100644 --- a/net/netrom/nr_route.c +++ b/net/netrom/nr_route.c @@ -766,7 +766,7 @@ int nr_route_frame(struct sk_buff *skb, ax25_cb *ax25) if (ax25 != NULL) { ret = nr_add_node(nr_src, "", &ax25->dest_addr, ax25->digipeat, ax25->ax25_dev->dev, 0, - sysctl_netrom_obsolescence_count_initialiser); + READ_ONCE(sysctl_netrom_obsolescence_count_initialiser)); if (ret) return ret; } |