From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 14 May 2014 01:03:48 +0000 (+0930)
Subject: drivers/video/fbdev/sm501fb.c: avoid world-writable sysfs files.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=43d910ff15833c341f1c44eec77b34d7b9f42d21;p=linux-beck.git

drivers/video/fbdev/sm501fb.c: 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: Vincent Sanders <vince@simtec.co.uk>
Cc: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---

diff --git a/drivers/video/fbdev/sm501fb.c b/drivers/video/fbdev/sm501fb.c
index 1501979099dc..c2c8eb668784 100644
--- a/drivers/video/fbdev/sm501fb.c
+++ b/drivers/video/fbdev/sm501fb.c
@@ -1215,7 +1215,7 @@ static ssize_t sm501fb_crtsrc_store(struct device *dev,
 }
 
 /* Prepare the device_attr for registration with sysfs later */
-static DEVICE_ATTR(crt_src, 0666, sm501fb_crtsrc_show, sm501fb_crtsrc_store);
+static DEVICE_ATTR(crt_src, 0664, sm501fb_crtsrc_show, sm501fb_crtsrc_store);
 
 /* sm501fb_show_regs
  *