linux-kernel - [PATCH 5.16 0829/1017] video: fbdev: omapfb: panel-dsi-cm: Use sysfs

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Date:   Tue,  5 Apr 2022 09:29:02 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Zeal Robot <zealci@....com.cn>,
        Jing Yao <yao.jing2@....com.cn>, Helge Deller <deller@....de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.16 0829/1017] video: fbdev: omapfb: panel-dsi-cm: Use sysfs_emit() instead of snprintf()

From: Jing Yao <yao.jing2@....com.cn>

[ Upstream commit f63658a59c3d439c8ad7b290f8ec270980e0f384 ]

Use sysfs_emit instead of scnprintf, snprintf or sprintf.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Jing Yao <yao.jing2@....com.cn>
Signed-off-by: Helge Deller <deller@....de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c
index 4b0793abdd84..a2c7c5cb1523 100644
--- a/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c
+++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c
@@ -409,7 +409,7 @@ static ssize_t dsicm_num_errors_show(struct device *dev,
 	if (r)
 		return r;
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", errors);
+	return sysfs_emit(buf, "%d\n", errors);
 }
 
 static ssize_t dsicm_hw_revision_show(struct device *dev,
@@ -439,7 +439,7 @@ static ssize_t dsicm_hw_revision_show(struct device *dev,
 	if (r)
 		return r;
 
-	return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x\n", id1, id2, id3);
+	return sysfs_emit(buf, "%02x.%02x.%02x\n", id1, id2, id3);
 }
 
 static ssize_t dsicm_store_ulps(struct device *dev,
@@ -487,7 +487,7 @@ static ssize_t dsicm_show_ulps(struct device *dev,
 	t = ddata->ulps_enabled;
 	mutex_unlock(&ddata->lock);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n", t);
+	return sysfs_emit(buf, "%u\n", t);
 }
 
 static ssize_t dsicm_store_ulps_timeout(struct device *dev,
@@ -532,7 +532,7 @@ static ssize_t dsicm_show_ulps_timeout(struct device *dev,
 	t = ddata->ulps_timeout;
 	mutex_unlock(&ddata->lock);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n", t);
+	return sysfs_emit(buf, "%u\n", t);
 }
 
 static DEVICE_ATTR(num_dsi_errors, S_IRUGO, dsicm_num_errors_show, NULL);
-- 
2.34.1