RE: [PATCH 1/1] Drivers: hv: vmbus: Fix a bug in the handling ofchannel offers

From: KY Srinivasan
Date: Mon Aug 26 2013 - 19:03:51 EST




> -----Original Message-----
> From: Greg KH [mailto:gregkh@xxxxxxxxxxxxxxxxxxx]
> Sent: Monday, August 26, 2013 2:57 PM
> To: KY Srinivasan
> Cc: linux-kernel@xxxxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx;
> apw@xxxxxxxxxxxxx; jasowang@xxxxxxxxxx; stable@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH 1/1] Drivers: hv: vmbus: Fix a bug in the handling of channel
> offers
>
> On Mon, Aug 26, 2013 at 02:08:58PM -0700, K. Y. Srinivasan wrote:
> > The channel state should be correctly set before registering the device. In the
> current
> > code the driver probe would fail for channels that have been rescinded and
> subsequently
> > re-offered. Fix the bug.
> >
> > Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> > Cc: <stable@xxxxxxxxxxxxxxx>
>
> What older kernel versions have this bug? When did it show up?

The patch that introduced the bug is:

commit e68d2971d26577b932a16333ce165af98a96e068
Author: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Date: Thu May 23 12:02:32 2013 -0700

Drivers: hv: vmbus: Implement multi-channel support

I think 3.10 shipped with this bug.

Regards,

K. Y
>
> thanks,
>
> greg k-h
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