linux-kernel - [PATCH 20/27] efi: dev-path-parser: Make device_find_child()'s match function take a const pointer

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Message-Id: <20240811-const_dfc_done-v1-20-9d85e3f943cb@quicinc.com>
Date: Sun, 11 Aug 2024 10:25:11 +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 20/27] efi: dev-path-parser: 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
match_pci_dev() as its match function take a const pointer.

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

diff --git a/drivers/firmware/efi/dev-path-parser.c b/drivers/firmware/efi/dev-path-parser.c
index 937be269fee8..13ea141c0def 100644
--- a/drivers/firmware/efi/dev-path-parser.c
+++ b/drivers/firmware/efi/dev-path-parser.c
@@ -47,9 +47,9 @@ static long __init parse_acpi_path(const struct efi_dev_path *node,
 	return 0;
 }

-static int __init match_pci_dev(struct device *dev, void *data)
+static int __init match_pci_dev(struct device *dev, const void *data)
 {
-	unsigned int devfn = *(unsigned int *)data;
+	unsigned int devfn = *(const unsigned int *)data;

 	return dev_is_pci(dev) && to_pci_dev(dev)->devfn == devfn;
 }

-- 
2.34.1