xiaomi-sm8450/android_kernel_xiaomi_sm8450
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net: treewide use of RCU_INIT_POINTER

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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
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8
drivers/net/macvtap.c
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@@ -145,8 +145,8 @@ static void macvtap_put_queue(struct macvtap_queue *q)
if (vlan) {
int index = get_slot(vlan, q);
rcu_assign_pointer(vlan->taps[index], NULL);
rcu_assign_pointer(q->vlan, NULL);
RCU_INIT_POINTER(vlan->taps[index], NULL);
RCU_INIT_POINTER(q->vlan, NULL);
sock_put(&q->sk);
--vlan->numvtaps;
}
@@ -223,8 +223,8 @@ static void macvtap_del_queues(struct net_device *dev)
lockdep_is_held(&macvtap_lock));
if (q) {
qlist[j++] = q;
rcu_assign_pointer(vlan->taps[i], NULL);
rcu_assign_pointer(q->vlan, NULL);
RCU_INIT_POINTER(vlan->taps[i], NULL);
RCU_INIT_POINTER(q->vlan, NULL);
vlan->numvtaps--;
}
}