diff options
| author | Jason Xing <kernelxing@tencent.com> | 2024-03-04 11:20:36 +0300 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2024-03-15 17:48:19 +0300 |
| commit | 7e1e25891f090e24a871451c9403abac63cb45dd (patch) | |
| tree | 1447a94cafc3e016e6ac6f1ad3839a1eceb399d0 /net | |
| parent | 7510b08c5f5ba15983da004b021fc6154eeb4047 (diff) | |
| download | linux-7e1e25891f090e24a871451c9403abac63cb45dd.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 6f709fdffc11..b8ddd8048f35 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; } |