linux-kernel - [PATCH V3 03/20] nvdimm/label: Modify nd_label

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Message-Id: <20250917132940.1566437-4-s.neeraj@samsung.com>
Date: Wed, 17 Sep 2025 18:59:23 +0530
From: Neeraj Kumar <s.neeraj@...sung.com>
To: linux-cxl@...r.kernel.org, nvdimm@...ts.linux.dev,
	linux-kernel@...r.kernel.org, gost.dev@...sung.com
Cc: a.manzanares@...sung.com, vishak.g@...sung.com, neeraj.kernel@...il.com,
	Neeraj Kumar <s.neeraj@...sung.com>
Subject: [PATCH V3 03/20] nvdimm/label: Modify nd_label_base() signature

nd_label_base() was being used after typecasting with 'unsigned long'. Thus
modified nd_label_base() to return 'unsigned long' instead of 'struct
nd_namespace_label *'

Signed-off-by: Neeraj Kumar <s.neeraj@...sung.com>
---
 drivers/nvdimm/label.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c
index 0a9b6c5cb2c3..668e1e146229 100644
--- a/drivers/nvdimm/label.c
+++ b/drivers/nvdimm/label.c
@@ -271,11 +271,11 @@ static void nd_label_copy(struct nvdimm_drvdata *ndd,
 	memcpy(dst, src, sizeof_namespace_index(ndd));
 }
 
-static struct nd_namespace_label *nd_label_base(struct nvdimm_drvdata *ndd)
+static unsigned long nd_label_base(struct nvdimm_drvdata *ndd)
 {
 	void *base = to_namespace_index(ndd, 0);
 
-	return base + 2 * sizeof_namespace_index(ndd);
+	return (unsigned long) (base + 2 * sizeof_namespace_index(ndd));
 }
 
 static int to_slot(struct nvdimm_drvdata *ndd,
@@ -284,7 +284,7 @@ static int to_slot(struct nvdimm_drvdata *ndd,
 	unsigned long label, base;
 
 	label = (unsigned long) nd_label;
-	base = (unsigned long) nd_label_base(ndd);
+	base = nd_label_base(ndd);
 
 	return (label - base) / sizeof_namespace_label(ndd);
 }
@@ -293,7 +293,7 @@ static struct nd_namespace_label *to_label(struct nvdimm_drvdata *ndd, int slot)
 {
 	unsigned long label, base;
 
-	base = (unsigned long) nd_label_base(ndd);
+	base = nd_label_base(ndd);
 	label = base + sizeof_namespace_label(ndd) * slot;
 
 	return (struct nd_namespace_label *) label;
@@ -684,7 +684,7 @@ static int nd_label_write_index(struct nvdimm_drvdata *ndd, int index, u32 seq,
 			nd_label_next_nsindex(index))
 		- (unsigned long) to_namespace_index(ndd, 0);
 	nsindex->otheroff = __cpu_to_le64(offset);
-	offset = (unsigned long) nd_label_base(ndd)
+	offset = nd_label_base(ndd)
 		- (unsigned long) to_namespace_index(ndd, 0);
 	nsindex->labeloff = __cpu_to_le64(offset);
 	nsindex->nslot = __cpu_to_le32(nslot);
-- 
2.34.1