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authorye xingchen <ye.xingchen@zte.com.cn>2022-12-05 11:31:39 +0300
committerHelge Deller <deller@gmx.de>2022-12-14 22:01:51 +0300
commit522d5226eed96a7df6662857500777a74d60d341 (patch)
treeee3cf3a7c29ce5b634dc8cbdf6533fec2293e3b7
parentf2ff0c430fed8c6a6d64d11a41f0582bf8bba6f7 (diff)
downloadlinux-522d5226eed96a7df6662857500777a74d60d341.tar.xz
fbdev: uvesafb: use sysfs_emit() to instead of scnprintf()
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> Signed-off-by: Helge Deller <deller@gmx.de>
-rw-r--r--drivers/video/fbdev/uvesafb.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index 2bb95c35ab2a..f09f483c219b 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -1580,7 +1580,7 @@ static ssize_t uvesafb_show_vendor(struct device *dev,
struct uvesafb_par *par = info->par;
if (par->vbe_ib.oem_vendor_name_ptr)
- return scnprintf(buf, PAGE_SIZE, "%s\n", (char *)
+ return sysfs_emit(buf, "%s\n", (char *)
(&par->vbe_ib) + par->vbe_ib.oem_vendor_name_ptr);
else
return 0;
@@ -1595,7 +1595,7 @@ static ssize_t uvesafb_show_product_name(struct device *dev,
struct uvesafb_par *par = info->par;
if (par->vbe_ib.oem_product_name_ptr)
- return scnprintf(buf, PAGE_SIZE, "%s\n", (char *)
+ return sysfs_emit(buf, "%s\n", (char *)
(&par->vbe_ib) + par->vbe_ib.oem_product_name_ptr);
else
return 0;
@@ -1610,7 +1610,7 @@ static ssize_t uvesafb_show_product_rev(struct device *dev,
struct uvesafb_par *par = info->par;
if (par->vbe_ib.oem_product_rev_ptr)
- return scnprintf(buf, PAGE_SIZE, "%s\n", (char *)
+ return sysfs_emit(buf, "%s\n", (char *)
(&par->vbe_ib) + par->vbe_ib.oem_product_rev_ptr);
else
return 0;
@@ -1625,7 +1625,7 @@ static ssize_t uvesafb_show_oem_string(struct device *dev,
struct uvesafb_par *par = info->par;
if (par->vbe_ib.oem_string_ptr)
- return scnprintf(buf, PAGE_SIZE, "%s\n",
+ return sysfs_emit(buf, "%s\n",
(char *)(&par->vbe_ib) + par->vbe_ib.oem_string_ptr);
else
return 0;
@@ -1639,7 +1639,7 @@ static ssize_t uvesafb_show_nocrtc(struct device *dev,
struct fb_info *info = dev_get_drvdata(dev);
struct uvesafb_par *par = info->par;
- return scnprintf(buf, PAGE_SIZE, "%d\n", par->nocrtc);
+ return sysfs_emit(buf, "%d\n", par->nocrtc);
}
static ssize_t uvesafb_store_nocrtc(struct device *dev,