diff options
| author | Jason Xing <kernelxing@tencent.com> | 2024-03-04 11:20:35 +0300 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2024-03-15 17:48:16 +0300 |
| commit | e041df5dc9e68adffcba5499ca28e1252bed6f4b (patch) | |
| tree | a9b36ede3942abc44a2b9a967b1a29811d39fddc /net/netrom/nr_route.c | |
| parent | ccd1108b16ab572d9bf635586b0925635dbd6bbc (diff) | |
| download | linux-e041df5dc9e68adffcba5499ca28e1252bed6f4b.tar.xz | |
netrom: Fix a data-race around sysctl_netrom_default_path_quality
[ Upstream commit 958d6145a6d9ba9e075c921aead8753fb91c9101 ]
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>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/netrom/nr_route.c')
| -rw-r--r-- | net/netrom/nr_route.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c index 78da5eab252a..94c4d4554b9c 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++; |