Re: [PATCH] libnvdimm: fix phys_addr for nvdimm_clear_poison

[Vishal Verma]

On 04/25, Toshi Kani wrote:
> nvdimm_clear_poison() expects a physical address, not an offset.
> Fix nsio_rw_bytes() to call nvdimm_clear_poison() with a physical
> address.

Good catch!

> 
> Signed-off-by: Toshi Kani <toshi.kani@xxxxxxx>
> Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
> Cc: Dave Jiang <dave.jiang@xxxxxxxxx>
> Cc: Vishal Verma <vishal.l.verma@xxxxxxxxx>
> ---
>  drivers/nvdimm/claim.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
> index ca6d572..0b31073 100644
> --- a/drivers/nvdimm/claim.c
> +++ b/drivers/nvdimm/claim.c
> @@ -254,7 +254,8 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns,
>  				&& (!ndns->claim || !is_nd_btt(ndns->claim))) {
>  			long cleared;
>  
> -			cleared = nvdimm_clear_poison(&ndns->dev, offset, size);
> +			cleared = nvdimm_clear_poison(&ndns->dev,
> +					nsio->res.start + offset, size);

Should we be using nsio->res.start here or nsio->addr ?

>  			if (cleared < size)
>  				rc = -EIO;
>  			if (cleared > 0 && cleared / 512) {