linux-kernel - Re: [PATCH] net: dsa: felix: fix possible NULL pointer dereference

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Message-ID: <b4d4ee6c553f9cd983d12f88eb6a12ca3cb39962.camel@redhat.com>
Date:   Tue, 29 Mar 2022 10:59:35 +0200
From:   Paolo Abeni <pabeni@...hat.com>
To:     Zheng Yongjun <zhengyongjun3@...wei.com>, andrew@...n.ch,
        vivien.didelot@...il.com, f.fainelli@...il.com,
        davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     vladimir.oltean@....com, claudiu.manoil@....com,
        alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH] net: dsa: felix: fix possible NULL pointer dereference

Hello,

On Tue, 2022-03-29 at 08:12 +0000, Zheng Yongjun wrote:
> As the possible failure of the allocation, kzalloc() may return NULL
> pointer.
> Therefore, it should be better to check the 'sgi' in order to prevent
> the dereference of NULL pointer.
> 
> Fixes: 23ae3a7877718 ("net: dsa: felix: add stream gate settings for psfpq").

It looks like the fixes tag has been corrupted (trailing 'q'). Would
you mind posting a v2 with that fixed ?

Thanks,

Paolo