linux-kernel - [PATCH 23/27] libnvdimm: Make device_find_child()'s match function take a const pointer

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Message-Id: <20240811-const_dfc_done-v1-23-9d85e3f943cb@quicinc.com>
Date: Sun, 11 Aug 2024 10:25:14 +0800
From: Zijun Hu <zijun_hu@...oud.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Zijun Hu <zijun_hu@...oud.com>, linux-kernel@...r.kernel.org, 
 Zijun Hu <quic_zijuhu@...cinc.com>
Subject: [PATCH 23/27] libnvdimm: Make device_find_child()'s match function
 take a const pointer

From: Zijun Hu <quic_zijuhu@...cinc.com>

In order to adapt for constified device_find_child(), make
namespace_match() as its match function take a const pointer.

Signed-off-by: Zijun Hu <quic_zijuhu@...cinc.com>
---
 drivers/nvdimm/claim.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
index 030dbde6b088..b33fa340068b 100644
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -67,9 +67,9 @@ bool nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach,
 	return claimed;
 }

-static int namespace_match(struct device *dev, void *data)
+static int namespace_match(struct device *dev, const void *data)
 {
-	char *name = data;
+	const char *name = data;

 	return strcmp(name, dev_name(dev)) == 0;
 }

-- 
2.34.1