Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: [PATCH] ACPI/IORT: Fix off-by-one check in iort_dev_find_its_id()
To:     Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        <linux-acpi@vger.kernel.org>
CC:     Dan Carpenter <dan.carpenter@oracle.com>,
        Will Deacon <will@kernel.org>,
        Sudeep Holla <sudeep.holla@arm.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Robin Murphy <robin.murphy@arm.com>,
        LKML <linux-kernel@vger.kernel.org>,
        LAKML <linux-arm-kernel@lists.infradead.org>
References: <20190722162548.23610-1-lorenzo.pieralisi@arm.com>
From:   Hanjun Guo <guohanjun@huawei.com>
Message-ID: <1d18ce4f-ecd5-4295-60ea-aff5a0d83cb2@huawei.com>
Date:   Tue, 23 Jul 2019 09:48:39 +0800
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101
 Thunderbird/52.5.0
MIME-Version: 1.0
In-Reply-To: <20190722162548.23610-1-lorenzo.pieralisi@arm.com>
Content-Type: text/plain; charset="utf-8"
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 2019/7/23 0:25, Lorenzo Pieralisi wrote:
> Static analysis identified that index comparison against ITS entries in
> iort_dev_find_its_id() is off by one.
> 
> Update the comparison condition and clarify the resulting error
> message.
> 
> Fixes: 4bf2efd26d76 ("ACPI: Add new IORT functions to support MSI domain handling")
> Link: https://lore.kernel.org/linux-arm-kernel/20190613065410.GB16334@mwanda/
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Dan Carpenter <dan.carpenter@oracle.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Hanjun Guo <guohanjun@huawei.com>
> Cc: Sudeep Holla <sudeep.holla@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Robin Murphy <robin.murphy@arm.com>

Reviewed-by: Hanjun Guo <guohanjun@huawei.com>