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authorEric Dumazet <edumazet@google.com>2023-09-12 16:02:05 +0000
committerDavid S. Miller <davem@davemloft.net>2023-09-15 10:33:47 +0100
commit6559c0ff3bc27d7e4d447d31c1d7e8eae0e959f5 (patch)
tree4bdfec6afcbc395fb2a9034b55bc109624671d01 /net/ipv6/mcast.c
parentdcae74622c051b219ee628669a31716473efda2c (diff)
ipv6: lockless IPV6_MULTICAST_ALL implementation
Move np->mc_all to an atomic flags to fix data-races. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/mcast.c')
-rw-r--r--net/ipv6/mcast.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 4a7967623909..99e28b444a4c 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -642,7 +642,7 @@ bool inet6_mc_check(const struct sock *sk, const struct in6_addr *mc_addr,
}
if (!mc) {
rcu_read_unlock();
- return np->mc_all;
+ return inet6_test_bit(MC6_ALL, sk);
}
psl = rcu_dereference(mc->sflist);
if (!psl) {