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RE: [PATCH] storvsc: fix memory leak on ring buffer busy

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> -----Original Message-----
> From: Martin K. Petersen [mailto:martin.petersen@oracle.com]
> Sent: Tuesday, August 29, 2017 6:31 PM
> To: Long Li <longli@microsoft.com>
> Cc: KY Srinivasan <kys@microsoft.com>; Haiyang Zhang
> <haiyangz@microsoft.com>; James E . J . Bottomley
> <JBottomley@odin.com>; devel@linuxdriverproject.org; linux-
> scsi@vger.kernel.org; linux-kernel@vger.kernel.org; Long Li
> <longli@microsoft.com>
> Subject: Re: [PATCH] storvsc: fix memory leak on ring buffer busy
> 
> 
> 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, thanks for pointing this out. This should also go to stable trees.

Cc: stable@vger.kernel.org
> 
> --
> Martin K. Petersen	Oracle Linux Engineering

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Thread

[PATCH] storvsc: fix memory leak on ring buffer busy Long Li <longli@exchange.microsoft.com> - 2017-08-29 02:50 +0200
  Re: [PATCH] storvsc: fix memory leak on ring buffer busy "Martin K. Petersen" <martin.petersen@oracle.com> - 2017-08-30 03:40 +0200
    RE: [PATCH] storvsc: fix memory leak on ring buffer busy Long Li <longli@microsoft.com> - 2017-08-30 05:50 +0200
      Re: [PATCH] storvsc: fix memory leak on ring buffer busy "Martin K. Petersen" <martin.petersen@oracle.com> - 2017-08-31 04:00 +0200
        RE: [PATCH] storvsc: fix memory leak on ring buffer busy Long Li <longli@microsoft.com> - 2017-08-31 04:30 +0200
    Re: [PATCH] storvsc: fix memory leak on ring buffer busy Stephen Hemminger <stephen@networkplumber.org> - 2017-08-30 17:20 +0200

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