> From: gregkh@xxxxxxxxxxxxxxxxxxx <gregkh@xxxxxxxxxxxxxxxxxxx>
> Sent: Thursday, November 1, 2018 11:57
> To: Dexuan Cui <decui@xxxxxxxxxxxxx>
>
> On Wed, Oct 31, 2018 at 11:23:54PM +0000, Dexuan Cui wrote:
> > > From: Michael Kelley <mikelley@xxxxxxxxxxxxx>
> > > Sent: Wednesday, October 24, 2018 08:38
> > > From: kys@xxxxxxxxxxxxxxxxx <kys@xxxxxxxxxxxxxxxxx> Sent:
> Wednesday,
> > > October 17, 2018 10:10 PM
> > > > From: Dexuan Cui <decui@xxxxxxxxxxxxx>
> > > >
> > > > In kvp_send_key(), we do need call process_ib_ipinfo() if
> > > > message->kvp_hdr.operation is KVP_OP_GET_IP_INFO, because it turns
> out
> > > > the userland hv_kvp_daemon needs the info of operation, adapter_id
> and
> > > > addr_family. With the incorrect fc62c3b1977d, the host can't get the
> > > > VM's IP via KVP.
> > > >
> > > > And, fc62c3b1977d added a "break;", but actually forgot to initialize
> > > > the key_size/value in the case of KVP_OP_SET, so the default key_size of
> > > > 0 is passed to the kvp daemon, and the pool files
> > > > /var/lib/hyperv/.kvp_pool_* can't be updated.
> > > >
> > > > This patch effectively rolls back the previous fc62c3b1977d, and
> > > > correctly fixes the "this statement may fall through" warnings.
> > > >
> > > > This patch is tested on WS 2012 R2 and 2016.
> > > >
> > > > Fixes: fc62c3b1977d ("Drivers: hv: kvp: Fix two "this statement may fall
> > > through" warnings")
> > > > Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
> > > > Cc: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> > > > Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> > > > Cc: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
> > > > Cc: <Stable@xxxxxxxxxxxxxxx>
> > > > Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> > > > ---
> > > > drivers/hv/hv_kvp.c | 26 ++++++++++++++++++++++----
> > > > 1 file changed, 22 insertions(+), 4 deletions(-)
> > > >
> > > Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
> >
> > Hi Greg,
> > Can you please take a look at this patch?
>
> Nope, I'm not the hv maintainer, they need to look at this and ack it,
> not me :)
>
> greg k-h
Hi Greg,
KY has added his Signed-off-by in the mail.
I'll ask the other HV maintainers to take a look as well.
Thanks,
-- Dexuan
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