diff options
| author | Nikolay Aleksandrov <razor@blackwall.org> | 2025-11-05 13:19:19 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-11-13 15:34:39 -0500 |
| commit | 29d4429a993f10c5a9f55c265283c3fd4d0832f5 (patch) | |
| tree | bf3433352db7bcc9933eaa553480caf14df36149 /include/net/aligned_data.h | |
| parent | bf3843183bc3158e5821b46f330c438ae9bd6ddb (diff) | |
net: bridge: fix MST static key usage
[ Upstream commit ee87c63f9b2a418f698d79c2991347e31a7d2c27 ]
As Ido pointed out, the static key usage in MST is buggy and should use
inc/dec instead of enable/disable because we can have multiple bridges
with MST enabled which means a single bridge can disable MST for all.
Use static_branch_inc/dec to avoid that. When destroying a bridge decrement
the key if MST was enabled.
Fixes: ec7328b59176 ("net: bridge: mst: Multiple Spanning Tree (MST) mode")
Reported-by: Ido Schimmel <idosch@nvidia.com>
Closes: https://lore.kernel.org/netdev/20251104120313.1306566-1-razor@blackwall.org/T/#m6888d87658f94ed1725433940f4f4ebb00b5a68b
Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20251105111919.1499702-3-razor@blackwall.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/net/aligned_data.h')
0 files changed, 0 insertions, 0 deletions