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Re: [PATCH 10/22] staging: unisys: visorbus: Make use of the new sg_map helper function

From Logan Gunthorpe <logang@deltatee.com>
Newsgroups linux.kernel
Subject Re: [PATCH 10/22] staging: unisys: visorbus: Make use of the new sg_map helper function
Date 2017-04-14 18:20 +0200
Message-ID <twc70-3f1-15@gated-at.bofh.it> (permalink)
References <tvV69-P8-5@gated-at.bofh.it> <tvVfQ-Tr-19@gated-at.bofh.it> <twbXk-3bL-21@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Great, thanks!

Logan

On 14/04/17 10:07 AM, Kershner, David A wrote:
> Can you add Acked-by for this patch? 
> 
> Acked-by: David Kershner <david.kershner@unisys.com>
> 
> Tested on s-Par and no problems. 
> 
> Thanks,
> David Kershner
> 
>> ---
>>  drivers/staging/unisys/visorhba/visorhba_main.c | 12 +++++++-----
>>  1 file changed, 7 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c
>> b/drivers/staging/unisys/visorhba/visorhba_main.c
>> index 0ce92c8..2d8c8bc 100644
>> --- a/drivers/staging/unisys/visorhba/visorhba_main.c
>> +++ b/drivers/staging/unisys/visorhba/visorhba_main.c
>> @@ -842,7 +842,6 @@ do_scsi_nolinuxstat(struct uiscmdrsp *cmdrsp, struct
>> scsi_cmnd *scsicmd)
>>  	struct scatterlist *sg;
>>  	unsigned int i;
>>  	char *this_page;
>> -	char *this_page_orig;
>>  	int bufind = 0;
>>  	struct visordisk_info *vdisk;
>>  	struct visorhba_devdata *devdata;
>> @@ -869,11 +868,14 @@ do_scsi_nolinuxstat(struct uiscmdrsp *cmdrsp,
>> struct scsi_cmnd *scsicmd)
>>
>>  		sg = scsi_sglist(scsicmd);
>>  		for (i = 0; i < scsi_sg_count(scsicmd); i++) {
>> -			this_page_orig = kmap_atomic(sg_page(sg + i));
>> -			this_page = (void *)((unsigned long)this_page_orig |
>> -					     sg[i].offset);
>> +			this_page = sg_map(sg + i, SG_KMAP_ATOMIC);
>> +			if (IS_ERR(this_page)) {
>> +				scsicmd->result = DID_ERROR << 16;
>> +				return;
>> +			}
>> +
>>  			memcpy(this_page, buf + bufind, sg[i].length);
>> -			kunmap_atomic(this_page_orig);
>> +			sg_unmap(sg + i, this_page, SG_KMAP_ATOMIC);
>>  		}
>>  	} else {
>>  		devdata = (struct visorhba_devdata *)scsidev->host-
>>> hostdata;
>> --
>> 2.1.4
> 

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Thread

[PATCH 00/22] Introduce common scatterlist map function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
  [PATCH 18/22] mmc: spi: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
  [PATCH 06/22] crypto: hifn_795x: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
  [PATCH 04/22] target: Make use of the new sg_map function at 16 call sites Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
  [PATCH 16/22] xen-blkfront: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
    RE: [PATCH 16/22] xen-blkfront: Make use of the new sg_map helper  function David Laight <David.Laight@ACULAB.COM> - 2017-04-18 16:20 +0200
      Re: [PATCH 16/22] xen-blkfront: Make use of the new sg_map helper  function Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2017-04-18 16:40 +0200
        Re: [PATCH 16/22] xen-blkfront: Make use of the new sg_map helper  function Logan Gunthorpe <logang@deltatee.com> - 2017-04-18 17:50 +0200
          Re: [PATCH 16/22] xen-blkfront: Make use of the new sg_map helper  function Logan Gunthorpe <logang@deltatee.com> - 2017-04-18 18:00 +0200
          Re: [PATCH 16/22] xen-blkfront: Make use of the new sg_map helper  function Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2017-04-18 18:00 +0200
  [PATCH 10/22] staging: unisys: visorbus: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
    RE: [PATCH 10/22] staging: unisys: visorbus: Make use of the new  sg_map helper function "Kershner, David A" <David.Kershner@unisys.com> - 2017-04-14 18:10 +0200
      Re: [PATCH 10/22] staging: unisys: visorbus: Make use of the new  sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 18:20 +0200
  [PATCH 07/22] crypto: shash, caam: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
  [PATCH 12/22] scsi: ipr, pmcraid, isci: Make use of the new sg_map helper in 4 call sites Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
  [PATCH 15/22] scsi: libfc, csiostor: Change to sg_copy_buffer in two drivers Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
  [PATCH 17/22] mmc: sdhci: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
  [PATCH 22/22] memstick: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
  [PATCH 19/22] mmc: tmio: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
  [PATCH 02/22] nvmet: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
    Re: [PATCH 02/22] nvmet: Make use of the new sg_map helper function Christoph Hellwig <hch@lst.de> - 2017-04-14 07:10 +0200
      Re: [PATCH 02/22] nvmet: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 07:10 +0200
        Re: [PATCH 02/22] nvmet: Make use of the new sg_map helper function Christoph Hellwig <hch@lst.de> - 2017-04-14 07:20 +0200
  [PATCH 05/22] drm/i915: Make use of the new sg_map helper function Logan Gunthorpe <logang@deltatee.com> - 2017-04-14 00:20 +0200
    Re: [PATCH 05/22] drm/i915: Make use of the new sg_map helper  function Daniel Vetter <daniel@ffwll.ch> - 2017-04-18 08:50 +0200
      Re: [PATCH 05/22] drm/i915: Make use of the new sg_map helper  function Logan Gunthorpe <logang@deltatee.com> - 2017-04-18 17:50 +0200

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