linux-kernel - Re: [PATCH 2/3] net/mlx5e: Clean up error handling in mlx5e_alloc

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Date:   Mon, 28 Sep 2020 10:39:50 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Alex Dewar <alex.dewar90@...il.com>
Cc:     Saeed Mahameed <saeedm@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] net/mlx5e: Clean up error handling in
 mlx5e_alloc_flow()

On Sun, Sep 27, 2020 at 12:32:52PM +0100, Alex Dewar wrote:
> The variable flow is used after being allocated but before being
> null-checked, which will cause a null pointer dereference if the
> allocation failed. Fix this and tidy up the error-checking logic in this
> function.
>
> Addresses-Coverity: CID 1497154: Null pointer dereferences (REVERSE_INULL)
> Signed-off-by: Alex Dewar <alex.dewar90@...il.com>
> ---
>  .../net/ethernet/mellanox/mlx5/core/en_tc.c   | 20 ++++++++++---------
>  1 file changed, 11 insertions(+), 9 deletions(-)
>

Thanks, but Gustavo already sent a fix.
https://lore.kernel.org/lkml/20200925164913.GA18472@embeddedor