linux-kernel - [PATCH 7/9] drivers/hid/hid-picolcd_fb: avoid world-writable sysfs files.

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Date:	Tue, 22 Apr 2014 13:03:30 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	linux-kernel@...r.kernel.org
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	Bruno Prémont <bonbons@...ux-vserver.org>
Subject: [PATCH 7/9] drivers/hid/hid-picolcd_fb: avoid world-writable sysfs files.

In line with practice for module parameters, we're adding a build-time
check that sysfs files aren't world-writable.

Cc: Bruno Prémont <bonbons@...ux-vserver.org>
Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
---
 drivers/hid/hid-picolcd_fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c
index c930ab8554ea..7f965e231433 100644
--- a/drivers/hid/hid-picolcd_fb.c
+++ b/drivers/hid/hid-picolcd_fb.c
@@ -501,7 +501,7 @@ static ssize_t picolcd_fb_update_rate_store(struct device *dev,
 	return count;
 }
 
-static DEVICE_ATTR(fb_update_rate, 0666, picolcd_fb_update_rate_show,
+static DEVICE_ATTR(fb_update_rate, 0664, picolcd_fb_update_rate_show,
 		picolcd_fb_update_rate_store);
 
 /* initialize Framebuffer device */
-- 
1.8.3.2

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