[PATCH 4.4 03/66] ipv6: fix sparse warning on rt6i_node

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Wei Wang [ Upstream commit 4e587ea71bf924f7dac621f1351653bd41e446cb ] Commit c5cff8561d2d adds rcu grace period before freeing fib6_node. This generates a new sparse

[PATCH 4.4 03/66] ipv6: fix sparse warning on rt6i_node

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Wei Wang [ Upstream commit 4e587ea71bf924f7dac621f1351653bd41e446cb ] Commit c5cff8561d2d adds rcu grace period before freeing fib6_node. This generates a new sparse warning on rt->rt6i_node