From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 16 Nov 2010 19:22:43 +0000 (-0800)
Subject: Staging: zram: fix up some sysfs attribute permissions
X-Git-Tag: upstream/snapshot3+hdmi~12326^2~22
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0281b490dd7b96990724f4a15842c55657699aed;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

Staging: zram: fix up some sysfs attribute permissions

They should not be writable by any user

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c
index 6c574a9..c9b52b9 100644
--- a/drivers/staging/zram/zram_sysfs.c
+++ b/drivers/staging/zram/zram_sysfs.c
@@ -189,10 +189,10 @@ static ssize_t mem_used_total_show(struct device *dev,
 	return sprintf(buf, "%llu\n", val);
 }
 
-static DEVICE_ATTR(disksize, S_IRUGO | S_IWUGO,
+static DEVICE_ATTR(disksize, S_IRUGO | S_IRUSR,
 		disksize_show, disksize_store);
 static DEVICE_ATTR(initstate, S_IRUGO, initstate_show, NULL);
-static DEVICE_ATTR(reset, S_IWUGO, NULL, reset_store);
+static DEVICE_ATTR(reset, S_IRUSR, NULL, reset_store);
 static DEVICE_ATTR(num_reads, S_IRUGO, num_reads_show, NULL);
 static DEVICE_ATTR(num_writes, S_IRUGO, num_writes_show, NULL);
 static DEVICE_ATTR(invalid_io, S_IRUGO, invalid_io_show, NULL);