linux-kernel - Re: [PATCH 1/1] qlcnic: fix unchecked return value

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Date:   Mon, 24 Apr 2017 16:11:16 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     bianpan201602@....com
Cc:     harish.patil@...ium.com, manish.chopra@...ium.com,
        Dept-GELinuxNICDev@...ium.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bianpan2016@....com
Subject: Re: [PATCH 1/1] qlcnic: fix unchecked return value

aFrom: Pan Bian <bianpan201602@....com>
Date: Sun, 23 Apr 2017 20:04:04 +0800

> From: Pan Bian <bianpan2016@....com>
> 
> Function pci_find_ext_capability() may return 0, which is an invalid
> address. In function qlcnic_sriov_virtid_fn(), its return value is used
> without validation. This may result in invalid memory access bugs. This
> patch fixes the bug.
> 
> Signed-off-by: Pan Bian <bianpan2016@....com>

Applied.