linux-kernel - [PATCH 18/27] block: sunvdc: Make device_find_child()'s match function take a const pointer

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Message-Id: <20240811-const_dfc_done-v1-18-9d85e3f943cb@quicinc.com>
Date: Sun, 11 Aug 2024 10:25:09 +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 18/27] block: sunvdc: 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
vdc_device_probed() as its match function take a const pointer.

Signed-off-by: Zijun Hu <quic_zijuhu@...cinc.com>
---
 drivers/block/sunvdc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index 2d38331ee667..5e0759c8d459 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -918,16 +918,16 @@ struct vdc_check_port_data {
 	char	*type;
 };

-static int vdc_device_probed(struct device *dev, void *arg)
+static int vdc_device_probed(struct device *dev, const void *arg)
 {
 	struct vio_dev *vdev = to_vio_dev(dev);
-	struct vdc_check_port_data *port_data;
+	const struct vdc_check_port_data *port_data;

-	port_data = (struct vdc_check_port_data *)arg;
+	port_data = (const struct vdc_check_port_data *)arg;

 	if ((vdev->dev_no == port_data->dev_no) &&
 	    (!(strcmp((char *)&vdev->type, port_data->type))) &&
-		dev_get_drvdata(dev)) {
+	    dev_get_drvdata(dev)) {
 		/* This device has already been configured
 		 * by vdc_port_probe()
 		 */

-- 
2.34.1