[PATCH net 1/3] net: core: add __netdev_upper_dev_unlink()
From: Taehee Yoo <ap420073@gmail.com>
Date: 2020-09-25 18:13:10
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The netdev_upper_dev_unlink() has to work differently according to flags. This idea is the same with __netdev_upper_dev_link(). In the following patches, new flags will be added. Signed-off-by: Taehee Yoo <ap420073@gmail.com> --- net/core/dev.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-)
diff --git a/net/core/dev.c b/net/core/dev.c
index 266073e300b5..b7b3d6e15cda 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c@@ -7762,16 +7762,8 @@ int netdev_master_upper_dev_link(struct net_device *dev, } EXPORT_SYMBOL(netdev_master_upper_dev_link); -/** - * netdev_upper_dev_unlink - Removes a link to upper device - * @dev: device - * @upper_dev: new upper device - * - * Removes a link to device which is upper to this one. The caller must hold - * the RTNL lock. - */ -void netdev_upper_dev_unlink(struct net_device *dev, - struct net_device *upper_dev) +static void __netdev_upper_dev_unlink(struct net_device *dev, + struct net_device *upper_dev) { struct netdev_notifier_changeupper_info changeupper_info = { .info = {
@@ -7800,6 +7792,20 @@ void netdev_upper_dev_unlink(struct net_device *dev, __netdev_walk_all_upper_dev(upper_dev, __netdev_update_lower_level, NULL); } + +/** + * netdev_upper_dev_unlink - Removes a link to upper device + * @dev: device + * @upper_dev: new upper device + * + * Removes a link to device which is upper to this one. The caller must hold + * the RTNL lock. + */ +void netdev_upper_dev_unlink(struct net_device *dev, + struct net_device *upper_dev) +{ + __netdev_upper_dev_unlink(dev, upper_dev); +} EXPORT_SYMBOL(netdev_upper_dev_unlink); static void __netdev_adjacent_dev_set(struct net_device *upper_dev,
--
2.17.1