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authorJason Xing <kernelxing@tencent.com>2024-03-04 11:20:41 +0300
committerSasha Levin <sashal@kernel.org>2024-03-15 17:48:15 +0300
commit7782e5e7047cae6b9255ee727c99fc73d77cf773 (patch)
tree7a890fb1487a5beb920d36d29d2c75b87ffa8333 /net
parent6133a71c75dacea12fcc85838b4455c2055b0f14 (diff)
downloadlinux-7782e5e7047cae6b9255ee727c99fc73d77cf773.tar.xz
netrom: Fix a data-race around sysctl_netrom_transport_busy_delay
[ Upstream commit 43547d8699439a67b78d6bb39015113f7aa360fd ] 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/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 05235768566a..5769fe9c111e 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -462,7 +462,7 @@ static int nr_create(struct net *net, struct socket *sock, int protocol,
nr->n2 =
msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_maximum_tries));
nr->t4 =
- msecs_to_jiffies(sysctl_netrom_transport_busy_delay);
+ msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_busy_delay));
nr->idle =
msecs_to_jiffies(sysctl_netrom_transport_no_activity_timeout);
nr->window = sysctl_netrom_transport_requested_window_size;