netrom: Fix a data-race around sysctl_netrom_obsolescence_count_initialiser
authorJason Xing <kernelxing@tencent.com>
Mon, 4 Mar 2024 08:20:36 +0000 (16:20 +0800)
committerPaolo Abeni <pabeni@redhat.com>
Thu, 7 Mar 2024 09:36:58 +0000 (10:36 +0100)
commitcfd9f4a740f772298308b2e6070d2c744fb5cf79
treebf9fd4fb898823330549aff54b03b8bf8700f2ee
parent958d6145a6d9ba9e075c921aead8753fb91c9101
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>
net/netrom/nr_route.c