diff mbox series

fbdev: gbefb: convert sysfs snprintf to sysfs_emit

Message ID 20221018075118.922212-1-zhangxuezhi3@gmail.com (mailing list archive)
State Accepted, archived
Headers show
Series fbdev: gbefb: convert sysfs snprintf to sysfs_emit | expand

Commit Message

Xuezhi Zhang Oct. 18, 2022, 7:51 a.m. UTC 
From: Xuezhi Zhang <zhangxuezhi1@coolpad.com>

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: Xuezhi Zhang <zhangxuezhi1@coolpad.com>
---
 drivers/video/fbdev/gbefb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Helge Deller Oct. 18, 2022, 8:29 a.m. UTC | #1 
On 10/18/22 09:51, Xuezhi Zhang wrote:
> From: Xuezhi Zhang <zhangxuezhi1@coolpad.com>
>
> 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: Xuezhi Zhang <zhangxuezhi1@coolpad.com>

applied.
Thanks!
Helge

> ---
>   drivers/video/fbdev/gbefb.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/video/fbdev/gbefb.c b/drivers/video/fbdev/gbefb.c
> index 1582c718329c..000b4aa44241 100644
> --- a/drivers/video/fbdev/gbefb.c
> +++ b/drivers/video/fbdev/gbefb.c
> @@ -1060,14 +1060,14 @@ static const struct fb_ops gbefb_ops = {
>
>   static ssize_t gbefb_show_memsize(struct device *dev, struct device_attribute *attr, char *buf)
>   {
> -	return snprintf(buf, PAGE_SIZE, "%u\n", gbe_mem_size);
> +	return sysfs_emit(buf, "%u\n", gbe_mem_size);
>   }
>
>   static DEVICE_ATTR(size, S_IRUGO, gbefb_show_memsize, NULL);
>
>   static ssize_t gbefb_show_rev(struct device *device, struct device_attribute *attr, char *buf)
>   {
> -	return snprintf(buf, PAGE_SIZE, "%d\n", gbe_revision);
> +	return sysfs_emit(buf, "%d\n", gbe_revision);
>   }
>
>   static DEVICE_ATTR(revision, S_IRUGO, gbefb_show_rev, NULL);
diff mbox series

Patch

diff --git a/drivers/video/fbdev/gbefb.c b/drivers/video/fbdev/gbefb.c
index 1582c718329c..000b4aa44241 100644
--- a/drivers/video/fbdev/gbefb.c
+++ b/drivers/video/fbdev/gbefb.c
@@ -1060,14 +1060,14 @@  static const struct fb_ops gbefb_ops = {
 
 static ssize_t gbefb_show_memsize(struct device *dev, struct device_attribute *attr, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%u\n", gbe_mem_size);
+	return sysfs_emit(buf, "%u\n", gbe_mem_size);
 }
 
 static DEVICE_ATTR(size, S_IRUGO, gbefb_show_memsize, NULL);
 
 static ssize_t gbefb_show_rev(struct device *device, struct device_attribute *attr, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%d\n", gbe_revision);
+	return sysfs_emit(buf, "%d\n", gbe_revision);
 }
 
 static DEVICE_ATTR(revision, S_IRUGO, gbefb_show_rev, NULL);