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authorEric Dumazet <edumazet@google.com>2024-02-22 10:50:10 +0000
committerDavid S. Miller <davem@davemloft.net>2024-02-26 11:46:12 +0000
commit8afc7a78d55de726b2747d7775c54def79509ec5 (patch)
tree80da701a5118faea6ad635f6309d3c819cf77a1d /include/linux/netdevice.h
parent4ad268136421dc9813280c55940eca00796420e5 (diff)
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 <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h6
1 files changed, 4 insertions, 2 deletions
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 */;
}
/**