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| author | Kees Cook <kees@kernel.org> | 2025-05-21 13:46:16 -0700 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2025-05-27 08:25:43 +0200 |
| commit | ae9fcd5a0f8ab7e12619e1c66312a03b842935c3 (patch) | |
| tree | 1b125a39db68d7241d227de66db8b3bef305fc35 /net/core/dev_api.c | |
| parent | rtnetlink: do_setlink: Use struct sockaddr_storage (diff) | |
| download | linux-ae9fcd5a0f8ab7e12619e1c66312a03b842935c3.tar.gz linux-ae9fcd5a0f8ab7e12619e1c66312a03b842935c3.zip | |
net: core: Convert dev_set_mac_address_user() to use struct sockaddr_storage
Convert callers of dev_set_mac_address_user() to use struct
sockaddr_storage. Add sanity checks on dev->addr_len usage.
Signed-off-by: Kees Cook <kees@kernel.org>
Acked-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://patch.msgid.link/20250521204619.2301870-8-kees@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/core/dev_api.c')
| -rw-r--r-- | net/core/dev_api.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/core/dev_api.c b/net/core/dev_api.c index 6011a5ef649d..1bf0153195f2 100644 --- a/net/core/dev_api.c +++ b/net/core/dev_api.c @@ -84,14 +84,15 @@ void dev_set_group(struct net_device *dev, int new_group) netdev_unlock_ops(dev); } -int dev_set_mac_address_user(struct net_device *dev, struct sockaddr *sa, +int dev_set_mac_address_user(struct net_device *dev, + struct sockaddr_storage *ss, struct netlink_ext_ack *extack) { int ret; down_write(&dev_addr_sem); netdev_lock_ops(dev); - ret = netif_set_mac_address(dev, (struct sockaddr_storage *)sa, extack); + ret = netif_set_mac_address(dev, ss, extack); netdev_unlock_ops(dev); up_write(&dev_addr_sem); |