We don't need the sysfs file to be world writable or group writable.
This file is write-only, change it to S_IWUSR (0200).
Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
drivers/video/backlight/lm3639_bl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c
index 585949b..6f7a20e 100644
--- a/drivers/video/backlight/lm3639_bl.c
+++ b/drivers/video/backlight/lm3639_bl.c
@@ -214,7 +214,7 @@ out_input:
}
-static DEVICE_ATTR(bled_mode, 0666, NULL, lm3639_bled_mode_store);
+static DEVICE_ATTR(bled_mode, S_IWUSR, NULL, lm3639_bled_mode_store);
/* torch */
static void lm3639_torch_brightness_set(struct led_classdev *cdev,