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List:       linux-arm-kernel
Subject:    Re: [PATCH] net: thunderx: correct bound check in nic_config_loopback
From:       Sunil Kovvuri <sunil.kovvuri () gmail ! com>
Date:       2016-07-31 16:41:52
Message-ID: CA+sq2Cc-MTtoncAcL6MS-YVdeVVK=aqEmZakzkX6_CwsXvpRCQ () mail ! gmail ! com
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Thanks for finding.
A much better fix would be,

-       if (lbk->vf_id > MAX_LMAC)
+       if (lbk->vf_id >= nic->num_vf_en)
                return -1;

where 'num_vf_en' reflects the exact number of physical interfaces or
LMACs on the system.

Thanks,
Sunil.

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