[PATCH 6.19 283/844] ipv6: annotate data-races in ip6_multipath_hash_{policy,fields}()

[Sasha Levin]

From: Eric Dumazet <edumazet@xxxxxxxxxx>

[ Upstream commit 03e9d91dd64e2f5ea632df5d59568d91757efc4d ]

Add missing READ_ONCE() when reading sysctl values.

Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
Link: https://patch.msgid.link/20260115094141.3124990-5-edumazet@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 include/net/ipv6.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 6a933690e0ff5..e759a00dbde19 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -1010,11 +1010,11 @@ static inline int ip6_default_np_autolabel(struct net *net)
 #if IS_ENABLED(CONFIG_IPV6)
 static inline int ip6_multipath_hash_policy(const struct net *net)
 {
-	return net->ipv6.sysctl.multipath_hash_policy;
+	return READ_ONCE(net->ipv6.sysctl.multipath_hash_policy);
 }
 static inline u32 ip6_multipath_hash_fields(const struct net *net)
 {
-	return net->ipv6.sysctl.multipath_hash_fields;
+	return READ_ONCE(net->ipv6.sysctl.multipath_hash_fields);
 }
 #else
 static inline int ip6_multipath_hash_policy(const struct net *net)
-- 
2.51.0