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List: linux-hams
Subject: [PATCH net 07/12] netrom: Fix a data-race around sysctl_netrom_transport_busy_delay
From: Jason Xing <kerneljasonxing () gmail ! com>
Date: 2024-03-04 8:20:41
Message-ID: 20240304082046.64977-8-kerneljasonxing () gmail ! com
[Download RAW message or body]
From: Jason Xing <kernelxing@tencent.com>
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>
---
net/netrom/af_netrom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 8ada0da3c0e0..10eee02ef99e 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -459,7 +459,7 @@ 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;
--
2.37.3
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