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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Zeal Robot <zealci@zte.com.cn>,
        Jing Yao <yao.jing2@zte.com.cn>, Helge Deller <deller@gmx.de>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.10 497/599] video: fbdev: udlfb: replace snprintf in show functions with sysfs_emit
Date:   Tue,  5 Apr 2022 09:33:11 +0200
Message-Id: <20220405070313.619335990@linuxfoundation.org>
In-Reply-To: <20220405070258.802373272@linuxfoundation.org>
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From: Jing Yao <yao.jing2@zte.com.cn>

[ Upstream commit 81a998288956d09d7a7a2303d47e4d60ad55c401 ]

Use sysfs_emit instead of scnprintf, snprintf or sprintf.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Jing Yao <yao.jing2@zte.com.cn>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/video/fbdev/udlfb.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index b9cdd02c1000..90f48b71fd8f 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -1426,7 +1426,7 @@ static ssize_t metrics_bytes_rendered_show(struct device *fbdev,
 				   struct device_attribute *a, char *buf) {
 	struct fb_info *fb_info = dev_get_drvdata(fbdev);
 	struct dlfb_data *dlfb = fb_info->par;
-	return snprintf(buf, PAGE_SIZE, "%u\n",
+	return sysfs_emit(buf, "%u\n",
 			atomic_read(&dlfb->bytes_rendered));
 }
 
@@ -1434,7 +1434,7 @@ static ssize_t metrics_bytes_identical_show(struct device *fbdev,
 				   struct device_attribute *a, char *buf) {
 	struct fb_info *fb_info = dev_get_drvdata(fbdev);
 	struct dlfb_data *dlfb = fb_info->par;
-	return snprintf(buf, PAGE_SIZE, "%u\n",
+	return sysfs_emit(buf, "%u\n",
 			atomic_read(&dlfb->bytes_identical));
 }
 
@@ -1442,7 +1442,7 @@ static ssize_t metrics_bytes_sent_show(struct device *fbdev,
 				   struct device_attribute *a, char *buf) {
 	struct fb_info *fb_info = dev_get_drvdata(fbdev);
 	struct dlfb_data *dlfb = fb_info->par;
-	return snprintf(buf, PAGE_SIZE, "%u\n",
+	return sysfs_emit(buf, "%u\n",
 			atomic_read(&dlfb->bytes_sent));
 }
 
@@ -1450,7 +1450,7 @@ static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev,
 				   struct device_attribute *a, char *buf) {
 	struct fb_info *fb_info = dev_get_drvdata(fbdev);
 	struct dlfb_data *dlfb = fb_info->par;
-	return snprintf(buf, PAGE_SIZE, "%u\n",
+	return sysfs_emit(buf, "%u\n",
 			atomic_read(&dlfb->cpu_kcycles_used));
 }
 
-- 
2.34.1