diff mbox

[1/4] scsi: storvsc: Fix a bug in the layout of the hv_fc_wwn_packet

Message ID 1449792860-15447-1-git-send-email-kys@microsoft.com (mailing list archive)
State New, archived
Headers show

Commit Message

KY Srinivasan Dec. 11, 2015, 12:14 a.m. UTC
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@microsoft.com>
Reviewed-by: Long Li <longli@microsoft.com>
Tested-by: Alex Ng <alexng@microsoft.com>
---
 drivers/scsi/storvsc_drv.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

Comments

Johannes Thumshirn Dec. 11, 2015, 8:47 a.m. UTC | #1
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@microsoft.com>
> Reviewed-by: Long Li <longli@microsoft.com>
> Tested-by: Alex Ng <alexng@microsoft.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@vger.kernel.org # v3.11+
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
KY Srinivasan Dec. 12, 2015, 3:10 a.m. UTC | #2
> -----Original Message-----
> From: Johannes Thumshirn [mailto:jthumshirn@suse.de]
> Sent: Friday, December 11, 2015 12:48 AM
> To: KY Srinivasan <kys@microsoft.com>
> Cc: gregkh@linuxfoundation.org; linux-kernel@vger.kernel.org;
> devel@linuxdriverproject.org; ohering@suse.com;
> jbottomley@parallels.com; hch@infradead.org; linux-scsi@vger.kernel.org;
> apw@canonical.com; vkuznets@redhat.com; jasowang@redhat.com;
> martin.petersen@oracle.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@microsoft.com>
> > Reviewed-by: Long Li <longli@microsoft.com>
> > Tested-by: Alex Ng <alexng@microsoft.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
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
> > the body of a message to majordomo@vger.kernel.org
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> qW32KiJgr7JkXsC4P0CnnQvAearwu7LzyWaqM%3d
> 
> Should this go through stable as well?
> If yes:
> Fixes: 8b612fa23 '[SCSI] storvsc: Update the storage protocol to win8 level'
> Cc: stable@vger.kernel.org # v3.11+
This is the first time we are using this data structure and so I don't think we need
to port it back to stable.

Regards,

K. Y

> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
> 
> --
> Johannes Thumshirn                                          Storage
> jthumshirn@suse.de                                +49 911 74053 689
> SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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diff mbox

Patch

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];