From 8afc7a78d55de726b2747d7775c54def79509ec5 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 22 Feb 2024 10:50:10 +0000 Subject: ipv6: prepare inet6_fill_ifinfo() for RCU protection We want to use RCU protection instead of RTNL for inet6_fill_ifinfo(). Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- include/linux/netdevice.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'include/linux') diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index f07c8374f29c..09023e44db4e 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -4354,8 +4354,10 @@ static inline bool netif_testing(const struct net_device *dev) */ static inline bool netif_oper_up(const struct net_device *dev) { - return (dev->operstate == IF_OPER_UP || - dev->operstate == IF_OPER_UNKNOWN /* backward compat */); + unsigned int operstate = READ_ONCE(dev->operstate); + + return operstate == IF_OPER_UP || + operstate == IF_OPER_UNKNOWN /* backward compat */; } /** -- cgit v1.2.3