net: Statically initialize init_net.dev_base_head
This change eliminates an initialization-order hazard most recently seen when netprio_cgroup is built into the kernel. With thanks to Eric Dumazet for catching a bug. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
2ab1c24bbd
commit
734b65417b
@ -6283,6 +6283,7 @@ static struct hlist_head *netdev_create_hash(void)
|
||||
/* Initialize per network namespace state */
|
||||
static int __net_init netdev_init(struct net *net)
|
||||
{
|
||||
if (net != &init_net)
|
||||
INIT_LIST_HEAD(&net->dev_base_head);
|
||||
|
||||
net->dev_name_head = netdev_create_hash();
|
||||
|
@ -27,7 +27,9 @@ static DEFINE_MUTEX(net_mutex);
|
||||
LIST_HEAD(net_namespace_list);
|
||||
EXPORT_SYMBOL_GPL(net_namespace_list);
|
||||
|
||||
struct net init_net;
|
||||
struct net init_net = {
|
||||
.dev_base_head = LIST_HEAD_INIT(init_net.dev_base_head),
|
||||
};
|
||||
EXPORT_SYMBOL(init_net);
|
||||
|
||||
#define INITIAL_NET_GEN_PTRS 13 /* +1 for len +2 for rcu_head */
|
||||
|
Loading…
Reference in New Issue
Block a user