net: ip6_gre: initialize erspan_ver just for erspan tunnels
After commit c706863b ("net: ip6_gre: always reports o_key to userspace"), ip6gre and ip6gretap tunnels started reporting TUNNEL_KEY output flag even if it is not configured. ip6gre_fill_info checks erspan_ver value to add TUNNEL_KEY for erspan tunnels, however in commit 84581bda ("erspan: set erspan_ver to 1 by default when adding an erspan dev") erspan_ver is initialized to 1 even for ip6gre or ip6gretap Fix the issue moving erspan_ver initialization in a dedicated routine Fixes: c706863b ("net: ip6_gre: always reports o_key to userspace") Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Reviewed-by: Greg Rose <gvrose8192@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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