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* Re: [scsi:misc 14/106] drivers/scsi/storvsc_drv.c:1658 storvsc_queuecommand() warn: curly braces intended?
       [not found] <20150413115603.GR16501@mwanda>
@ 2015-04-13 14:26 ` James Bottomley
  2015-04-13 19:20   ` KY Srinivasan
  0 siblings, 1 reply; 2+ messages in thread
From: James Bottomley @ 2015-04-13 14:26 UTC (permalink / raw)
  To: dan.carpenter@oracle.com
  Cc: linux-scsi@vger.kernel.org, kbuild@01.org, kys@microsoft.com

On Mon, 2015-04-13 at 14:56 +0300, Dan Carpenter wrote:
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git misc
> head:   0351b8f81392c6dbbbb036e5c8f73ceff68726e9
> commit: be0cf6ca301c61458dc4aa1a37acf4f58d2ed3d6 [14/106] scsi: storvsc: Set the tablesize based on the information given by the host
> 
> drivers/scsi/storvsc_drv.c:1658 storvsc_queuecommand() warn: curly braces intended?
> 
> git remote add scsi git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git
> git remote update scsi
> git checkout be0cf6ca301c61458dc4aa1a37acf4f58d2ed3d6
> vim +1658 drivers/scsi/storvsc_drv.c
> 
> c5b463ae drivers/staging/hv/storvsc_drv.c K. Y. Srinivasan 2011-05-10  1642  			sgl = cmd_request->bounce_sgl;
> c5b463ae drivers/staging/hv/storvsc_drv.c K. Y. Srinivasan 2011-05-10  1643  			sg_count = cmd_request->bounce_sgl_count;
> c5b463ae drivers/staging/hv/storvsc_drv.c K. Y. Srinivasan 2011-05-10  1644  		}
> c5b463ae drivers/staging/hv/storvsc_drv.c K. Y. Srinivasan 2011-05-10  1645  
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1646  
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1647  		if (sg_count > MAX_PAGE_BUFFER_COUNT) {
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1648  
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1649  			payload_sz = (sg_count * sizeof(void *) +
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1650  				      sizeof(struct vmbus_packet_mpb_array));
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1651  			payload = kmalloc(payload_sz, GFP_ATOMIC);
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1652  			if (!payload) {
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1653  				if (cmd_request->bounce_sgl_count)
> 
> Start block here.
> 
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1654  					destroy_bounce_buffer(
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1655  					cmd_request->bounce_sgl,
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1656  					cmd_request->bounce_sgl_count);
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1657  
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27 @1658  					return SCSI_MLQUEUE_DEVICE_BUSY;
> 
> End block here.
> 
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1659  			}
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1660  		}
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1661  
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1662  		payload->range.len = length;
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1663  		payload->range.offset = sgl[0].offset;
> be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1664  
> aaced993 drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1665  		cur_sgl = sgl;
> aaced993 drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1666  		for (i = 0; i < sg_count; i++) {

I think this is just screwed up indentation.  You have to return
DEVICE_BUSY for the kmalloc failure.  The if is just seeing if cleanup
is needed.

James


^ permalink raw reply	[flat|nested] 2+ messages in thread

* RE: [scsi:misc 14/106] drivers/scsi/storvsc_drv.c:1658 storvsc_queuecommand() warn: curly braces intended?
  2015-04-13 14:26 ` [scsi:misc 14/106] drivers/scsi/storvsc_drv.c:1658 storvsc_queuecommand() warn: curly braces intended? James Bottomley
@ 2015-04-13 19:20   ` KY Srinivasan
  0 siblings, 0 replies; 2+ messages in thread
From: KY Srinivasan @ 2015-04-13 19:20 UTC (permalink / raw)
  To: James Bottomley, dan.carpenter@oracle.com
  Cc: linux-scsi@vger.kernel.org, kbuild@01.org



> -----Original Message-----
> From: James Bottomley [mailto:jbottomley@odin.com]
> Sent: Monday, April 13, 2015 7:26 AM
> To: dan.carpenter@oracle.com
> Cc: linux-scsi@vger.kernel.org; kbuild@01.org; KY Srinivasan
> Subject: Re: [scsi:misc 14/106] drivers/scsi/storvsc_drv.c:1658
> storvsc_queuecommand() warn: curly braces intended?
> 
> On Mon, 2015-04-13 at 14:56 +0300, Dan Carpenter wrote:
> > tree:   git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git misc
> > head:   0351b8f81392c6dbbbb036e5c8f73ceff68726e9
> > commit: be0cf6ca301c61458dc4aa1a37acf4f58d2ed3d6 [14/106] scsi:
> storvsc: Set the tablesize based on the information given by the host
> >
> > drivers/scsi/storvsc_drv.c:1658 storvsc_queuecommand() warn: curly
> braces intended?
> >
> > git remote add scsi
> git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git
> > git remote update scsi
> > git checkout be0cf6ca301c61458dc4aa1a37acf4f58d2ed3d6
> > vim +1658 drivers/scsi/storvsc_drv.c
> >
> > c5b463ae drivers/staging/hv/storvsc_drv.c K. Y. Srinivasan 2011-05-10  1642
> 			sgl = cmd_request->bounce_sgl;
> > c5b463ae drivers/staging/hv/storvsc_drv.c K. Y. Srinivasan 2011-05-10  1643
> 			sg_count = cmd_request->bounce_sgl_count;
> > c5b463ae drivers/staging/hv/storvsc_drv.c K. Y. Srinivasan 2011-05-10  1644
> 		}
> > c5b463ae drivers/staging/hv/storvsc_drv.c K. Y. Srinivasan 2011-05-10  1645
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1646
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1647
> 		if (sg_count > MAX_PAGE_BUFFER_COUNT) {
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1648
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1649
> 			payload_sz = (sg_count * sizeof(void *) +
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1650
> 				      sizeof(struct vmbus_packet_mpb_array));
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1651
> 			payload = kmalloc(payload_sz, GFP_ATOMIC);
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1652
> 			if (!payload) {
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1653
> 				if (cmd_request->bounce_sgl_count)
> >
> > Start block here.
> >
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1654
> 					destroy_bounce_buffer(
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1655
> 					cmd_request->bounce_sgl,
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1656
> 					cmd_request->bounce_sgl_count);
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1657
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27 @1658
> 					return
> SCSI_MLQUEUE_DEVICE_BUSY;
> >
> > End block here.
> >
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1659
> 			}
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1660
> 		}
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1661
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1662
> 		payload->range.len = length;
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1663
> 		payload->range.offset = sgl[0].offset;
> > be0cf6ca drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1664
> > aaced993 drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1665
> 		cur_sgl = sgl;
> > aaced993 drivers/scsi/storvsc_drv.c       K. Y. Srinivasan 2015-03-27  1666
> 		for (i = 0; i < sg_count; i++) {
> 
> I think this is just screwed up indentation.  You have to return
> DEVICE_BUSY for the kmalloc failure.  The if is just seeing if cleanup
> is needed.

Yes; bad indentation. I will fix it.

K. Y
> 
> James


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2015-04-13 19:20 UTC | newest]

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     [not found] <20150413115603.GR16501@mwanda>
2015-04-13 14:26 ` [scsi:misc 14/106] drivers/scsi/storvsc_drv.c:1658 storvsc_queuecommand() warn: curly braces intended? James Bottomley
2015-04-13 19:20   ` KY Srinivasan

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