Patch "video: fbdev: udlfb: replace snprintf in show functions with sysfs_emit" has been added to the 5.15-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

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

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     video-fbdev-udlfb-replace-snprintf-in-show-functions.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit fe9757ec05848c5dc0eb0013266b2098a7aabb19
Author: Jing Yao <yao.jing2@xxxxxxxxxx>
Date:   Thu Nov 4 11:52:29 2021 +0000

    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@xxxxxxxxxx>
    Signed-off-by: Jing Yao <yao.jing2@xxxxxxxxxx>
    Signed-off-by: Helge Deller <deller@xxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

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));
 }