net: treewide use of RCU_INIT_POINTER

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>
This commit is contained in:
Eric Dumazet
2011-11-23 07:09:32 +00:00
committed by David S. Miller
parent 8c2152286a
commit 2cfa5a0471
9 changed files with 21 additions and 21 deletions

View File

@@ -409,7 +409,7 @@ static int bnx2_unregister_cnic(struct net_device *dev)
mutex_lock(&bp->cnic_lock);
cp->drv_state = 0;
bnapi->cnic_present = 0;
rcu_assign_pointer(bp->cnic_ops, NULL);
RCU_INIT_POINTER(bp->cnic_ops, NULL);
mutex_unlock(&bp->cnic_lock);
synchronize_rcu();
return 0;