Commits

Hong Zhiguo committed 97ddc3e1f9d
bridge: use br_port_get_rtnl within rtnl lock [ Upstream commit 1fb1754a8c70d69ab480763c423e0a74369c4a67 ] current br_port_get_rcu is problematic in bridging path (NULL deref). Change these calls in netlink path first. Signed-off-by: Hong Zhiguo <zhiguohong@tencent.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>