Use sysfs_emit() instead of snprintf().
Signed-off-by: Guo Zhengkui guozhengkui@vivo.com --- drivers/video/fbdev/omap/omapfb_main.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index b495c09e6102..083388a4ceeb 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -16,6 +16,7 @@ #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/module.h> +#include <linux/sysfs.h>
#include <linux/omap-dma.h>
@@ -1303,7 +1304,7 @@ static ssize_t omapfb_show_panel_name(struct device *dev, { struct omapfb_device *fbdev = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%s\n", fbdev->panel->name); + return sysfs_emit(buf, "%s\n", fbdev->panel->name); }
static ssize_t omapfb_show_bklight_level(struct device *dev, @@ -1314,8 +1315,8 @@ static ssize_t omapfb_show_bklight_level(struct device *dev, int r;
if (fbdev->panel->get_bklight_level) { - r = snprintf(buf, PAGE_SIZE, "%d\n", - fbdev->panel->get_bklight_level(fbdev->panel)); + r = sysfs_emit(buf, "%d\n", + fbdev->panel->get_bklight_level(fbdev->panel)); } else r = -ENODEV; return r; @@ -1348,8 +1349,8 @@ static ssize_t omapfb_show_bklight_max(struct device *dev, int r;
if (fbdev->panel->get_bklight_level) { - r = snprintf(buf, PAGE_SIZE, "%d\n", - fbdev->panel->get_bklight_max(fbdev->panel)); + r = sysfs_emit(buf, "%d\n", + fbdev->panel->get_bklight_max(fbdev->panel)); } else r = -ENODEV; return r; @@ -1379,7 +1380,7 @@ static ssize_t omapfb_show_ctrl_name(struct device *dev, { struct omapfb_device *fbdev = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%s\n", fbdev->ctrl->name); + return sysfs_emit(buf, "%s\n", fbdev->ctrl->name); }
static struct device_attribute dev_attr_ctrl_name =