summaryrefslogtreecommitdiff
path: root/net/netrom/af_netrom.c
diff options
context:
space:
mode:
authorJason Xing <kernelxing@tencent.com>2024-03-04 16:20:39 +0800
committerPaolo Abeni <pabeni@redhat.com>2024-03-07 10:36:58 +0100
commite799299aafed417cc1f32adccb2a0e5268b3f6d5 (patch)
treec5c170d29dd35a6183bbbb85d65e3ed01a2a1e96 /net/netrom/af_netrom.c
parent60a7a152abd494ed4f69098cf0f322e6bb140612 (diff)
netrom: Fix a data-race around sysctl_netrom_transport_maximum_tries
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>
Diffstat (limited to 'net/netrom/af_netrom.c')
-rw-r--r--net/netrom/af_netrom.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 4d0e0834d527..312fc745db7f 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -457,7 +457,7 @@ 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 =