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net: bridge: mcast: fix memcpy with u64_stats
authorDavid Yang <mmyangfl@gmail.com>
Tue, 20 Jan 2026 09:21:30 +0000 (17:21 +0800)
committerJakub Kicinski <kuba@kernel.org>
Sun, 25 Jan 2026 21:14:11 +0000 (13:14 -0800)
commitdd7fca9f49d3e7ab7e48d9c616bff0c84148a7e0
tree304c38b8a3269751c6fce84e9e025b00596ad47ctree
parentdf153517e4d4403d13d603cccef68255783d396bcommit | diff
net: bridge: mcast: fix memcpy with u64_stats

On 64bit arches, struct u64_stats_sync is empty and provides no help
against load/store tearing. memcpy() should not be considered atomic
against u64 values. Use u64_stats_copy() instead.

Signed-off-by: David Yang <mmyangfl@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260120092137.2161162-3-mmyangfl@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/bridge/br_multicast.c diff | blob | blame | history
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