openvswitch: fix sparse warning incorrect type

fix incorrect type in argument 1 (different address spaces)

../net/openvswitch/datapath.c:169:17: warning: incorrect type in argument 1 (different address spaces)
../net/openvswitch/datapath.c:169:17:    expected void const *
../net/openvswitch/datapath.c:169:17:    got struct dp_nlsk_pids [noderef] __rcu *upcall_portids

Found at: https://patchwork.kernel.org/project/netdevbpf/patch/20210630095350.817785-1-mark.d.gray@redhat.com/#24285159

Signed-off-by: Mark Gray <mark.d.gray@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index e6f0ae5..67ad083 100644 (file)
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -168,7 +168,7 @@ static void destroy_dp_rcu(struct rcu_head *rcu)
        free_percpu(dp->stats_percpu);
        kfree(dp->ports);
        ovs_meters_exit(dp);
-       kfree(dp->upcall_portids);
+       kfree(rcu_dereference_raw(dp->upcall_portids));
        kfree(dp);
 }