I find that the developers often just specified the numeric value
when calling a macro which is defined with a parameter for access permission.
As we know, these numeric value for access permission have had the 
corresponding macro,
and that using macro can improve the robustness and readability of the code,
thus, I suggest replacing the numeric parameter with the macro.

Signed-off-by: Chuansheng Liu <[email protected]>
Signed-off-by: Baole Ni <[email protected]>
---
 drivers/leds/leds-ss4200.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c
index 732eb86..0fe9350 100644
--- a/drivers/leds/leds-ss4200.c
+++ b/drivers/leds/leds-ss4200.c
@@ -480,7 +480,7 @@ static ssize_t nas_led_blink_store(struct device *dev,
        return size;
 }
 
-static DEVICE_ATTR(blink, 0644, nas_led_blink_show, nas_led_blink_store);
+static DEVICE_ATTR(blink, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH, 
nas_led_blink_show, nas_led_blink_store);
 
 static struct attribute *nasgpio_led_attrs[] = {
        &dev_attr_blink.attr,
-- 
2.9.2

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