From: Stephen Hemminger <stephen@networkplumber.org>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Long Li <longli@exchange.microsoft.com>,
linux-scsi@vger.kernel.org,
Haiyang Zhang <haiyangz@microsoft.com>,
"James E . J . Bottomley" <JBottomley@odin.com>,
linux-kernel@vger.kernel.org, devel@linuxdriverproject.org
Subject: Re: [PATCH] storvsc: fix memory leak on ring buffer busy
Date: Wed, 30 Aug 2017 08:11:01 -0700 [thread overview]
Message-ID: <20170830081101.5307095d@xeon-e3> (raw)
In-Reply-To: <yq18ti1265c.fsf@oracle.com>
On Tue, 29 Aug 2017 21:31:11 -0400
"Martin K. Petersen" <martin.petersen@oracle.com> 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")
prev parent reply other threads:[~2017-08-30 15:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-29 0:43 [PATCH] storvsc: fix memory leak on ring buffer busy Long Li
2017-08-30 1:31 ` Martin K. Petersen
2017-08-30 1:31 ` Martin K. Petersen
2017-08-30 3:48 ` Long Li
2017-08-30 3:48 ` Long Li
2017-08-31 1:55 ` Martin K. Petersen
2017-08-31 1:55 ` Martin K. Petersen
2017-08-31 2:28 ` Long Li
2017-08-31 2:28 ` Long Li
2017-08-30 15:11 ` Stephen Hemminger [this message]
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