linux-kernel - [PATCH] backlight: lm3639_bl: Fix up world writable sysfs file

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Date:	Mon, 29 Oct 2012 16:38:18 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"G.Shark Jeong" <gshark.jeong@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Daniel Jeong <daniel.jeong@...com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] backlight: lm3639_bl: Fix up world writable sysfs file

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@...ics.com>
---
 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,
-- 
1.7.9.5



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