net/ipv6: prefer rcu_access_pointer() over rcu_dereference()
authorPaolo Abeni <pabeni@redhat.com>
Fri, 15 Feb 2019 17:15:37 +0000 (18:15 +0100)
committerDavid S. Miller <davem@davemloft.net>
Sat, 16 Feb 2019 04:25:26 +0000 (20:25 -0800)
commit1490ed2abc4fa4d7fa6e8498b9fa4243a6ce7f8a
tree704af066c03cc803efcd38c86a3d571fa050a756
parent59e6158acafa2fc80160d8a8241c2a715fe89cff
net/ipv6: prefer rcu_access_pointer() over rcu_dereference()

rt6_cache_allowed_for_pmtu() checks for rt->from presence, but
it does not access the RCU protected pointer. We can use
rcu_access_pointer() and clean-up the code a bit. No functional
changes intended.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/route.c