diff options
| author | Kees Cook <keescook@chromium.org> | 2023-09-29 11:07:40 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-10-02 11:27:12 -0700 |
| commit | 0b7ed8183375751ec018dd912643a85191cc2e27 (patch) | |
| tree | 7f60cc65a8a10a595feaaccf60f868be2a655379 /drivers/net/ethernet/mellanox/mlxsw | |
| parent | 6d6e40ec48ca7195dceba681551dd92dc197b5a2 (diff) | |
mlxsw: Annotate struct mlxsw_linecards with __counted_by
Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct mlxsw_linecards.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Petr Machata <petrm@nvidia.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20230929180746.3005922-1-keescook@chromium.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h index e5474d3e34db..c6bc5819ce43 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core.h @@ -624,7 +624,7 @@ struct mlxsw_linecards { struct mlxsw_linecard_types_info *types_info; struct list_head event_ops_list; struct mutex event_ops_list_lock; /* Locks accesses to event ops list */ - struct mlxsw_linecard linecards[]; + struct mlxsw_linecard linecards[] __counted_by(count); }; static inline struct mlxsw_linecard * |