diff mbox series

[linux-next] fbdev: use sysfs_emit() to instead of scnprintf()

Message ID 202212051608044377107@zte.com.cn
State New
Headers show
Series [linux-next] fbdev: use sysfs_emit() to instead of scnprintf() | expand

Commit Message

ye.xingchen@zte.com.cn Dec. 5, 2022, 8:08 a.m. UTC 
From: ye xingchen <ye.xingchen@zte.com.cn>

Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
---
 drivers/video/fbdev/sh_mobile_lcdcfb.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c
index 6d00893d41f4..ad9323ed8e2e 100644
--- a/drivers/video/fbdev/sh_mobile_lcdcfb.c
+++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c
@@ -1188,7 +1188,7 @@  overlay_alpha_show(struct device *dev, struct device_attribute *attr, char *buf)
 	struct fb_info *info = dev_get_drvdata(dev);
 	struct sh_mobile_lcdc_overlay *ovl = info->par;

-	return scnprintf(buf, PAGE_SIZE, "%u\n", ovl->alpha);
+	return sysfs_emit(buf, "%u\n", ovl->alpha);
 }

 static ssize_t
@@ -1226,7 +1226,7 @@  overlay_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
 	struct fb_info *info = dev_get_drvdata(dev);
 	struct sh_mobile_lcdc_overlay *ovl = info->par;

-	return scnprintf(buf, PAGE_SIZE, "%u\n", ovl->mode);
+	return sysfs_emit(buf, "%u\n", ovl->mode);
 }

 static ssize_t
@@ -1265,7 +1265,7 @@  overlay_position_show(struct device *dev, struct device_attribute *attr,
 	struct fb_info *info = dev_get_drvdata(dev);
 	struct sh_mobile_lcdc_overlay *ovl = info->par;

-	return scnprintf(buf, PAGE_SIZE, "%d,%d\n", ovl->pos_x, ovl->pos_y);
+	return sysfs_emit(buf, "%d,%d\n", ovl->pos_x, ovl->pos_y);
 }

 static ssize_t
@@ -1306,7 +1306,7 @@  overlay_rop3_show(struct device *dev, struct device_attribute *attr, char *buf)
 	struct fb_info *info = dev_get_drvdata(dev);
 	struct sh_mobile_lcdc_overlay *ovl = info->par;

-	return scnprintf(buf, PAGE_SIZE, "%u\n", ovl->rop3);
+	return sysfs_emit(buf, "%u\n", ovl->rop3);
 }

 static ssize_t