linux-kernel - Re: [PATCH net] net/mlx5: Fix uninitialized variable bug in outlen

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Message-ID: <Y32pQ8p+3lb2y5SP@x130.lan>
Date:   Tue, 22 Nov 2022 21:01:55 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     saeedm@...dia.com, leon@...nel.org, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        moshe@...dia.com, ogerlitz@...lanox.com, eli@...lanox.com,
        jackm@....mellanox.co.il, roland@...estorage.com,
        netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net/mlx5: Fix uninitialized variable bug in
 outlen_write()

On 21 Nov 19:22, YueHaibing wrote:
>If sscanf() return 0, outlen is uninitialized and used in kzalloc(),
>this is unexpected. We should return -EINVAL if the string is invalid.
>
>Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters")
>Signed-off-by: YueHaibing <yuehaibing@...wei.com>
>

applied to net-mlx5, thanks !