[PATCH V6 net-next 11/11] net: add ndo_validate_addr check in dev_set_mac_address
From: Jijie Shao <shaojijie@huawei.com>
Date: 2024-08-30 12:22:11
Also in:
lkml
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
If driver implements ndo_validate_addr,
core should check the mac address before ndo_set_mac_address.
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
ChangeLog:
v2 -> v3:
- Use ndo_validate_addr() instead of is_valid_ether_addr()
in dev_set_mac_address(), suggested by Jakub and Andrew.
v2: https://lore.kernel.org/all/20240820140154.137876-1-shaojijie@huawei.com/ (local)
---
net/core/dev.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/net/core/dev.c b/net/core/dev.c
index e7260889d4cb..7e9c3017e705 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c@@ -9087,6 +9087,11 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa, return -EOPNOTSUPP; if (sa->sa_family != dev->type) return -EINVAL; + if (ops->ndo_validate_addr) { + err = ops->ndo_validate_addr(dev); + if (err) + return err; + } if (!netif_device_present(dev)) return -ENODEV; err = dev_pre_changeaddr_notify(dev, sa->sa_data, extack);
--
2.33.0