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authorJakub Kicinski <kuba@kernel.org>2022-02-17 11:44:20 -0800
committerJakub Kicinski <kuba@kernel.org>2022-02-17 11:44:20 -0800
commit6b5567b1b21b0efc544b154dc023b7dd4b4dcf4c (patch)
tree49737aa9d6b50154c37ac9b2d6f6021b9eab61c1 /net/ipv6/route.c
parentbe6b41c15dc09c067492bd23668763f551747e4e (diff)
parent8b97cae315cafd7debf3601f88621e2aa8956ef3 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6/route.c')
-rw-r--r--net/ipv6/route.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 46c7a1b36075..6188712f24b0 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -5760,11 +5760,11 @@ static int rt6_fill_node(struct net *net, struct sk_buff *skb,
}
if (!dst) {
- if (rt->offload)
+ if (READ_ONCE(rt->offload))
rtm->rtm_flags |= RTM_F_OFFLOAD;
- if (rt->trap)
+ if (READ_ONCE(rt->trap))
rtm->rtm_flags |= RTM_F_TRAP;
- if (rt->offload_failed)
+ if (READ_ONCE(rt->offload_failed))
rtm->rtm_flags |= RTM_F_OFFLOAD_FAILED;
}
@@ -6222,19 +6222,20 @@ void fib6_info_hw_flags_set(struct net *net, struct fib6_info *f6i,
struct sk_buff *skb;
int err;
- if (f6i->offload == offload && f6i->trap == trap &&
- f6i->offload_failed == offload_failed)
+ if (READ_ONCE(f6i->offload) == offload &&
+ READ_ONCE(f6i->trap) == trap &&
+ READ_ONCE(f6i->offload_failed) == offload_failed)
return;
- f6i->offload = offload;
- f6i->trap = trap;
+ WRITE_ONCE(f6i->offload, offload);
+ WRITE_ONCE(f6i->trap, trap);
/* 2 means send notifications only if offload_failed was changed. */
if (net->ipv6.sysctl.fib_notify_on_flag_change == 2 &&
- f6i->offload_failed == offload_failed)
+ READ_ONCE(f6i->offload_failed) == offload_failed)
return;
- f6i->offload_failed = offload_failed;
+ WRITE_ONCE(f6i->offload_failed, offload_failed);
if (!rcu_access_pointer(f6i->fib6_node))
/* The route was removed from the tree, do not send