video: fbdev: udlfb: replace snprintf in show functions with sysfs_emit

[ 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>

diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index b9cdd02..90f48b7 100644 (file)
--- 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));
 }