linux-kernel - [PATCH] libnvdimm: fix phys_addr for nvdimm_clear

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Message-Id: <20170425211651.7640-1-toshi.kani@hpe.com>
Date:   Tue, 25 Apr 2017 15:16:51 -0600
From:   Toshi Kani <toshi.kani@....com>
To:     dan.j.williams@...el.com
Cc:     dave.jiang@...el.com, vishal.l.verma@...el.com,
        linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org,
        Toshi Kani <toshi.kani@....com>
Subject: [PATCH] libnvdimm: fix phys_addr for nvdimm_clear_poison

nvdimm_clear_poison() expects a physical address, not an offset.
Fix nsio_rw_bytes() to call nvdimm_clear_poison() with a physical
address.

Signed-off-by: Toshi Kani <toshi.kani@....com>
Cc: Dan Williams <dan.j.williams@...el.com>
Cc: Dave Jiang <dave.jiang@...el.com>
Cc: Vishal Verma <vishal.l.verma@...el.com>
---
 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);
 			if (cleared < size)
 				rc = -EIO;
 			if (cleared > 0 && cleared / 512) {