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Subject: Re: [PATCH] mlxsw: spectrum_router: Replace 0-length array with flexible
 array
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <167325001617.30057.7118452714297454499.git-patchwork-notify@kernel.org>
Date:   Mon, 09 Jan 2023 07:40:16 +0000
References: <20230105232224.never.150-kees@kernel.org>
In-Reply-To: <20230105232224.never.150-kees@kernel.org>
To:     Kees Cook <keescook@chromium.org>
Cc:     idosch@nvidia.com, petrm@nvidia.com, davem@davemloft.net,
        edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
        gustavoars@kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Precedence: bulk

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@davemloft.net>:

On Thu,  5 Jan 2023 15:22:29 -0800 you wrote:
> Zero-length arrays are deprecated[1]. Replace struct
> mlxsw_sp_nexthop_group_info's "nexthops" 0-length array with a flexible
> array. Detected with GCC 13, using -fstrict-flex-arrays=3:
> 
> drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c: In function 'mlxsw_sp_nexthop_group_hash_obj':
> drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:3278:38: warning: array subscript i is outside array bounds of 'struct mlxsw_sp_nexthop[0]' [-Warray-bounds=]
>  3278 |                         val ^= jhash(&nh->ifindex, sizeof(nh->ifindex), seed);
>       |                                      ^~~~~~~~~~~~
> drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:2954:33: note: while referencing 'nexthops'
>  2954 |         struct mlxsw_sp_nexthop nexthops[0];
>       |                                 ^~~~~~~~
> 
> [...]

Here is the summary with links:
  - mlxsw: spectrum_router: Replace 0-length array with flexible array
    https://git.kernel.org/netdev/net/c/2ab6478d1266

You are awesome, thank you!
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