linux-kernel - Re: [PATCH v2 -next] scsi: storvsc: Fix unsigned comparison to zero

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Message-ID: <yq135m2zqw1.fsf@ca-mkp.ca.oracle.com>
Date:   Wed, 05 Jan 2022 00:41:31 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     <kys@...rosoft.com>, <haiyangz@...rosoft.com>,
        <sthemmin@...rosoft.com>, <wei.liu@...nel.org>,
        <decui@...rosoft.com>, <jejb@...ux.ibm.com>,
        <martin.petersen@...cle.com>, <mikelley@...rosoft.com>,
        <Tianyu.Lan@...rosoft.com>, <longli@...rosoft.com>,
        <linux-hyperv@...r.kernel.org>, <linux-scsi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 -next] scsi: storvsc: Fix unsigned comparison to zero


YueHaibing,

> The unsigned variable sg_count is being assigned a return value
> from the call to scsi_dma_map() that can return -ENOMEM.
>
> Fixes: 743b237c3a7b ("scsi: storvsc: Add Isolation VM support for
> storvsc driver")

This should probably go through the Hyper-V tree - I presume that's
where the offending commit is sitting?

Otherwise I can take this after -rc1 is out.

-- 
Martin K. Petersen	Oracle Linux Engineering