coccicheck complains about the use of snprintf() in sysfs show functions.
Fix the coccicheck warning: WARNING: use scnprintf or sprintf.
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Signed-off-by: Qing Wang wangqing@vivo.com --- drivers/video/fbdev/core/fbsysfs.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c index 65dae05..2689294 100644 --- a/drivers/video/fbdev/core/fbsysfs.c +++ b/drivers/video/fbdev/core/fbsysfs.c @@ -230,7 +230,7 @@ static ssize_t show_bpp(struct device *device, struct device_attribute *attr, char *buf) { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.bits_per_pixel); + return sysfs_emit(buf, "%d\n", fb_info->var.bits_per_pixel); }
static ssize_t store_rotate(struct device *device, @@ -257,7 +257,7 @@ static ssize_t show_rotate(struct device *device, { struct fb_info *fb_info = dev_get_drvdata(device);
- return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.rotate); + return sysfs_emit(buf, "%d\n", fb_info->var.rotate); }
static ssize_t store_virtual(struct device *device, @@ -285,7 +285,7 @@ static ssize_t show_virtual(struct device *device, struct device_attribute *attr, char *buf) { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xres_virtual, + return sysfs_emit(buf, "%d,%d\n", fb_info->var.xres_virtual, fb_info->var.yres_virtual); }
@@ -293,7 +293,7 @@ static ssize_t show_stride(struct device *device, struct device_attribute *attr, char *buf) { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->fix.line_length); + return sysfs_emit(buf, "%d\n", fb_info->fix.line_length); }
static ssize_t store_blank(struct device *device, @@ -381,7 +381,7 @@ static ssize_t show_pan(struct device *device, struct device_attribute *attr, char *buf) { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xoffset, + return sysfs_emit(buf, "%d,%d\n", fb_info->var.xoffset, fb_info->var.yoffset); }
@@ -390,7 +390,7 @@ static ssize_t show_name(struct device *device, { struct fb_info *fb_info = dev_get_drvdata(device);
- return snprintf(buf, PAGE_SIZE, "%s\n", fb_info->fix.id); + return sysfs_emit(buf, "%s\n", fb_info->fix.id); }
static ssize_t store_fbstate(struct device *device, @@ -418,7 +418,7 @@ static ssize_t show_fbstate(struct device *device, struct device_attribute *attr, char *buf) { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state); + return sysfs_emit(buf, "%d\n", fb_info->state); }
#if IS_ENABLED(CONFIG_FB_BACKLIGHT)