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Date:   Wed, 30 Aug 2017 08:11:01 -0700
From:   Stephen Hemminger <>
To:     "Martin K. Petersen" <>
Cc:     Long Li <>,, Haiyang Zhang <>,
        "James E . J . Bottomley" <>,,
Subject: Re: [PATCH] storvsc: fix memory leak on ring buffer busy

On Tue, 29 Aug 2017 21:31:11 -0400
"Martin K. Petersen" <> wrote:

> 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?

Looks like this an old issue. Probably should add

Fixes: be0cf6ca301c ("scsi: storvsc: Set the tablesize based on the information given by the host")

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