diff options
| author | Jason Xing <kernelxing@tencent.com> | 2024-03-04 16:20:36 +0800 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-03-07 10:36:58 +0100 |
| commit | cfd9f4a740f772298308b2e6070d2c744fb5cf79 (patch) | |
| tree | bf9fd4fb898823330549aff54b03b8bf8700f2ee | |
| parent | 958d6145a6d9ba9e075c921aead8753fb91c9101 (diff) | |
netrom: Fix a data-race around sysctl_netrom_obsolescence_count_initialiser
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/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; } |