net: fix rcu access on phonet_routes
-Add __rcu annotation on table to fix sparse warnings: net/phonet/pn_dev.c:279:25: warning: incorrect type in assignment (different address spaces) net/phonet/pn_dev.c:279:25: expected struct net_device *<noident> net/phonet/pn_dev.c:279:25: got void [noderef] <asn:4>*<noident> net/phonet/pn_dev.c:376:17: warning: incorrect type in assignment (different address spaces) net/phonet/pn_dev.c:376:17: expected struct net_device *volatile <noident> net/phonet/pn_dev.c:376:17: got struct net_device [noderef] <asn:4>*<noident> net/phonet/pn_dev.c:392:17: warning: incorrect type in assignment (different address spaces) net/phonet/pn_dev.c:392:17: expected struct net_device *<noident> net/phonet/pn_dev.c:392:17: got void [noderef] <asn:4>*<noident> -Access table with rcu_access_pointer (fixes the following sparse errors): net/phonet/pn_dev.c:278:25: error: incompatible types in comparison expression (different address spaces) net/phonet/pn_dev.c:391:17: error: incompatible types in comparison expression (different address spaces) Suggested-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NFabian Frederick <fabf@skynet.be> Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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