diff options
| author | Eric Dumazet <edumazet@google.com> | 2024-02-13 06:32:38 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-02-14 11:20:13 +0000 |
| commit | c7d52737e7ebd31cc5fef46380d94b58becf9479 (patch) | |
| tree | 4bd56292d5714b0bea521695b95ae8c445c6fd13 /net/core/dev.c | |
| parent | 12692e3df2dacf2993c56aa23b6d3de921a5bdff (diff) | |
net-sysfs: use dev_addr_sem to remove races in address_show()
Using dev_base_lock is not preventing from reading garbage.
Use dev_addr_sem instead.
v4: place dev_addr_sem extern in net/core/dev.h (Jakub Kicinski)
Link: https://lore.kernel.org/netdev/20240212175845.10f6680a@kernel.org/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 9c95cae9d6ab..26f93446b743 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -8993,7 +8993,7 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa, } EXPORT_SYMBOL(dev_set_mac_address); -static DECLARE_RWSEM(dev_addr_sem); +DECLARE_RWSEM(dev_addr_sem); int dev_set_mac_address_user(struct net_device *dev, struct sockaddr *sa, struct netlink_ext_ack *extack) |