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br_multicast: Replace rcu_assign_pointer() with RCU_INIT_POINTER()

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The use of "rcu_assign_pointer()" is NULLing out the pointer.
According to RCU_INIT_POINTER()'s block comment:
"1.   This use of RCU_INIT_POINTER() is NULLing out the pointer"
it is better to use it instead of rcu_assign_pointer() because it has a
smaller overhead.

The following Coccinelle semantic patch was used:
@@
@@

- rcu_assign_pointer
+ RCU_INIT_POINTER
  (..., NULL)

Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andreea-Cristina Bernat 2014-08-22 16:06:09 +03:00 committed by David S. Miller
parent 8c6b00c816
commit 0932997e34
1 changed files with 1 additions and 1 deletions
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2
net/bridge/br_multicast.c
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@ -1822,7 +1822,7 @@ static void br_multicast_query_expired(struct net_bridge *br,
if (query->startup_sent < br->multicast_startup_query_count)
query->startup_sent++;
rcu_assign_pointer(querier, NULL);
RCU_INIT_POINTER(querier, NULL);
br_multicast_send_query(br, NULL, query);
spin_unlock(&br->multicast_lock);
}