On 08/23/2017 11:40 PM, Bart Van Assche wrote:
> Avoid that sparse reports the following:
> 
> drivers/scsi/sg.c:1114:41: warning: incorrect type in argument 5 (different 
> address spaces)
> drivers/scsi/sg.c:1114:41:    expected char [noderef] <asn:1>*arg
> drivers/scsi/sg.c:1114:41:    got char *<noident>
> 
> This patch does not change any functionality.
> 
> Signed-off-by: Bart Van Assche <bart.vanass...@wdc.com>
> Cc: Christoph Hellwig <h...@lst.de>
> Cc: Hannes Reinecke <h...@suse.com>
> Cc: Johannes Thumshirn <jthumsh...@suse.de>
> ---
>  drivers/scsi/sg.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
> index f5705a95319f..03194c4b6744 100644
> --- a/drivers/scsi/sg.c
> +++ b/drivers/scsi/sg.c
> @@ -1110,8 +1110,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, 
> unsigned long arg)
>               return blk_trace_setup(sdp->device->request_queue,
>                                      sdp->disk->disk_name,
>                                      MKDEV(SCSI_GENERIC_MAJOR, sdp->index),
> -                                    NULL,
> -                                    (char *)arg);
> +                                    NULL, p);
>       case BLKTRACESTART:
>               return blk_trace_startstop(sdp->device->request_queue, 1);
>       case BLKTRACESTOP:
> 
Reviewed-by: Hannes Reinecke <h...@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Teamlead Storage & Networking
h...@suse.de                                   +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

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