linux-kernel - [PATCH] soc: kunpeng_hccs: fix size

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Message-Id: <20230812172116.3477379-1-arnd@kernel.org>
Date:   Sat, 12 Aug 2023 19:21:06 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Huisong Li <lihuisong@...wei.com>, Wei Xu <xuwei5@...ilicon.com>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org
Subject: [PATCH] soc: kunpeng_hccs: fix size_t format string

From: Arnd Bergmann <arnd@...db.de>

Printing a size_t using the %lu format string causes a warning on
architectures that define the type as 'unsigned int':

In file included from include/linux/device.h:15,
                 from include/linux/acpi.h:14,
                 from drivers/soc/hisilicon/kunpeng_hccs.c:25:
drivers/soc/hisilicon/kunpeng_hccs.c: In function 'hccs_get_bd_info':
drivers/soc/hisilicon/kunpeng_hccs.c:441:25: error: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t' {aka 'unsigned int'} [-Werror=format=]

Use the correct %zu format instead.

Fixes: 886bdf9c883bc ("soc: hisilicon: Support HCCS driver on Kunpeng SoC")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
I've already applied this one on top of the soc/drivers branch after I
merged the branch with the new driver and noticed the regression.

 drivers/soc/hisilicon/kunpeng_hccs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c
index 6864d203c6782..0d6f6bacd3f62 100644
--- a/drivers/soc/hisilicon/kunpeng_hccs.c
+++ b/drivers/soc/hisilicon/kunpeng_hccs.c
@@ -438,7 +438,7 @@ static int hccs_get_bd_info(struct hccs_dev *hdev, u8 opcode,
 	head = &rsp->rsp_head;
 	if (head->data_len > buf_len) {
 		dev_err(hdev->dev,
-			"buffer overflow (buf_len = %lu, data_len = %u)!\n",
+			"buffer overflow (buf_len = %zu, data_len = %u)!\n",
 			buf_len, head->data_len);
 		return -ENOMEM;
 	}
-- 
2.39.2