Commit d8f9581e authored by Kuniyuki Iwashima's avatar Kuniyuki Iwashima Committed by Jakub Kicinski
Browse files

ipv6: Add in6_dev_rcu(). 



rcu_dereference_rtnl() does not clearly tell whether the caller
is under RCU or RTNL.

Let's add in6_dev_rcu() to make it easy to remove __in6_dev_get()
in the future.

Signed-off-by: default avatarKuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: default avatarGuillaume Nault <gnault@redhat.com>
Link: https://patch.msgid.link/20251029173344.2934622-5-kuniyu@google.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 451c538e

include/net/addrconf.h

+5 −0
Original line number Diff line number Diff line
@@ -347,6 +347,11 @@ static inline struct inet6_dev *__in6_dev_get(const struct net_device *dev) 
	return rcu_dereference_rtnl(dev->ip6_ptr);

}



static inline struct inet6_dev *in6_dev_rcu(const struct net_device *dev)

{

	return rcu_dereference(dev->ip6_ptr);

}



static inline struct inet6_dev *__in6_dev_get_rtnl_net(const struct net_device *dev)

{

	return rtnl_net_dereference(dev_net(dev), dev->ip6_ptr);