linux-kernel - [PATCH 3/5] media: raspberrypi: use int type to store negative error codes

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Message-Id: <20250827123916.504189-4-rongqianfeng@vivo.com>
Date: Wed, 27 Aug 2025 20:39:11 +0800
From: Qianfeng Rong <rongqianfeng@...o.com>
To: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
	Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	linux-media@...r.kernel.org (open list:MEDIA INPUT INFRASTRUCTURE (V4L/DVB)),
	linux-rpi-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE),
	linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE),
	linux-kernel@...r.kernel.org (open list)
Cc: Qianfeng Rong <rongqianfeng@...o.com>
Subject: [PATCH 3/5] media: raspberrypi: use int type to store negative error codes

Use int instead of unsigned int for the 'ret' variable in csi2_init() to
store negative error codes or zero returned by media_entity_pads_init().

No effect on runtime.

Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>
---
 drivers/media/platform/raspberrypi/rp1-cfe/csi2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/raspberrypi/rp1-cfe/csi2.c b/drivers/media/platform/raspberrypi/rp1-cfe/csi2.c
index 35c2ab1e2cd4..2c5b4d24b4e6 100644
--- a/drivers/media/platform/raspberrypi/rp1-cfe/csi2.c
+++ b/drivers/media/platform/raspberrypi/rp1-cfe/csi2.c
@@ -525,7 +525,7 @@ static const struct v4l2_subdev_internal_ops csi2_internal_ops = {
 
 int csi2_init(struct csi2_device *csi2, struct dentry *debugfs)
 {
-	unsigned int ret;
+	int ret;
 
 	spin_lock_init(&csi2->errors_lock);
 
-- 
2.34.1