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net: hold netdev instance lock during ndo_bpf

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Cover the paths that come via bpf system call and XSK bind.

Cc: Saeed Mahameed <saeed@kernel.org>
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250305163732.2766420-10-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Stanislav Fomichev
2025-03-05 08:37:27 -08:00
committed by Jakub Kicinski
parent ad7c7b2172
commit 97246d6d21
6 changed files with 33 additions and 4 deletions
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12
net/core/dev_api.c
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@@ -317,3 +317,15 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa,
return ret;
}
EXPORT_SYMBOL(dev_set_mac_address);
int dev_xdp_propagate(struct net_device *dev, struct netdev_bpf *bpf)
{
int ret;
netdev_lock_ops(dev);
ret = netif_xdp_propagate(dev, bpf);
netdev_unlock_ops(dev);
return ret;
}
EXPORT_SYMBOL_GPL(dev_xdp_propagate);