net: treewide use of RCU_INIT_POINTER
authorEric Dumazet <eric.dumazet@gmail.com>
Wed, 23 Nov 2011 07:09:32 +0000 (07:09 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 23 Nov 2011 23:48:19 +0000 (18:48 -0500)
rcu_assign_pointer(ptr, NULL) can be safely replaced by
RCU_INIT_POINTER(ptr, NULL)

(old rcu_assign_pointer() macro was testing the NULL value and could
omit the smp_wmb(), but this had to be removed because of compiler
warnings)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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