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To: Long Li <longli@exchange.microsoft.com>
Cc: "K . Y . Srinivasan" <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        "James E . J . Bottomley" <JBottomley@odin.com>,
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        linux-kernel@vger.kernel.org, Long Li <longli@microsoft.com>
Subject: Re: [PATCH] storvsc: fix memory leak on ring buffer busy
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Organization: Oracle Corporation
References: <20170829004359.28526-1-longli@exchange.microsoft.com>
Date: Tue, 29 Aug 2017 21:31:11 -0400
In-Reply-To: <20170829004359.28526-1-longli@exchange.microsoft.com> (Long Li's
        message of "Mon, 28 Aug 2017 17:43:59 -0700")
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Long,

> When storvsc is sending I/O to Hyper-v, it may allocate a bigger
> buffer descriptor for large data payload that can't fit into a
> pre-allocated buffer descriptor. This bigger buffer is freed on return
> path.
>
> If I/O request to Hyper-v fails due to ring buffer busy, the storvsc
> allocated buffer descriptor should also be freed.

Which kernel version is this patch aimed at?

-- 
Martin K. Petersen	Oracle Linux Engineering