[prev in list] [next in list] [prev in thread] [next in thread]
List: linux-hams
Subject: [PATCH net 01/12] netrom: Fix a data-race around sysctl_netrom_default_path_quality
From: Jason Xing <kerneljasonxing () gmail ! com>
Date: 2024-03-04 8:20:35
Message-ID: 20240304082046.64977-2-kerneljasonxing () gmail ! com
[Download RAW message or body]
From: Jason Xing <kernelxing@tencent.com>
We need to protect the reader reading sysctl_netrom_default_path_quality
because the value can be changed concurrently.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
---
net/netrom/nr_route.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index baea3cbd76ca..6f709fdffc11 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -153,7 +153,7 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic,
nr_neigh->digipeat = NULL;
nr_neigh->ax25 = NULL;
nr_neigh->dev = dev;
- nr_neigh->quality = sysctl_netrom_default_path_quality;
+ nr_neigh->quality = READ_ONCE(sysctl_netrom_default_path_quality);
nr_neigh->locked = 0;
nr_neigh->count = 0;
nr_neigh->number = nr_neigh_no++;
--
2.37.3
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic