提交 56892261 编写于 作者: F Fan Du 提交者: David S. Miller

xfrm: Use rcu_dereference_bh to deference pointer protected by rcu_read_lock_bh

Signed-off-by: NFan Du <fan.du@windriver.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 02644a17
......@@ -2501,11 +2501,11 @@ static void __net_init xfrm_dst_ops_init(struct net *net)
struct xfrm_policy_afinfo *afinfo;
rcu_read_lock_bh();
afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET]);
afinfo = rcu_dereference_bh(xfrm_policy_afinfo[AF_INET]);
if (afinfo)
net->xfrm.xfrm4_dst_ops = *afinfo->dst_ops;
#if IS_ENABLED(CONFIG_IPV6)
afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET6]);
afinfo = rcu_dereference_bh(xfrm_policy_afinfo[AF_INET6]);
if (afinfo)
net->xfrm.xfrm6_dst_ops = *afinfo->dst_ops;
#endif
......
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