linux-kernel - Re: [PATCH 1/4] scsi: storvsc: Fix a bug in the layout of the hv_fc_wwn

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Message-ID: <20151211084748.GC9903@c203.arch.suse.de>
Date:	Fri, 11 Dec 2015 09:47:48 +0100
From:	Johannes Thumshirn <jthumshirn@...e.de>
To:	"K. Y. Srinivasan" <kys@...rosoft.com>
Cc:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, ohering@...e.com,
	jbottomley@...allels.com, hch@...radead.org,
	linux-scsi@...r.kernel.org, apw@...onical.com, vkuznets@...hat.com,
	jasowang@...hat.com, martin.petersen@...cle.com
Subject: Re: [PATCH 1/4] scsi: storvsc: Fix a bug in the layout of the
 hv_fc_wwn_packet

On Thu, Dec 10, 2015 at 04:14:17PM -0800, K. Y. Srinivasan wrote:
> The hv_fc_wwn_packet is exchanged over vmbus. Make the definition in Linux match
> the Window's definition.
> 
> Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> Reviewed-by: Long Li <longli@...rosoft.com>
> Tested-by: Alex Ng <alexng@...rosoft.com>
> ---
>  drivers/scsi/storvsc_drv.c |    5 ++---
>  1 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
> index c41f674..00bb4bd 100644
> --- a/drivers/scsi/storvsc_drv.c
> +++ b/drivers/scsi/storvsc_drv.c
> @@ -92,9 +92,8 @@ enum vstor_packet_operation {
>   */
>  
>  struct hv_fc_wwn_packet {
> -	bool	primary_active;
> -	u8	reserved1;
> -	u8	reserved2;
> +	u8	primary_active;
> +	u8	reserved1[3];
>  	u8	primary_port_wwn[8];
>  	u8	primary_node_wwn[8];
>  	u8	secondary_port_wwn[8];
> -- 
> 1.7.4.1
> 
> --
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Should this go through stable as well?
If yes:
Fixes: 8b612fa23 '[SCSI] storvsc: Update the storage protocol to win8 level'
Cc: stable@...r.kernel.org # v3.11+
Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de>

-- 
Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
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