commit: c8c64d165ccfd2274058ac84e0c680f9b48c4ec1
From: "Srivatsa S. Bhat" <[email protected]>
Date: Tue, 30 Apr 2013 15:17:16 +0530
Subject: EDAC: Don't give write permission to read-only files

I get the following warning on boot:

------------[ cut here ]------------
WARNING: at drivers/base/core.c:575 device_create_file+0x9a/0xa0()
Hardware name:  -[8737R2A]-
Write permission without 'store'
...
</snip>

Drilling down, this is related to dynamic channel ce_count attribute
files sporting a S_IWUSR mode without a ->store() function. Looking
around, it appears that they aren't supposed to have a ->store()
function. So remove the bogus write permission to get rid of the
warning.

Signed-off-by: Srivatsa S. Bhat <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Cc: <[email protected]> # 3.[89]
[ shorten commit message ]
Signed-off-by: Borislav Petkov <[email protected]>
---
 drivers/edac/edac_mc_sysfs.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index f6e81b2..67610a6 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -327,17 +327,17 @@ static struct device_attribute *dynamic_csrow_dimm_attr[] 
= {
 };
 
 /* possible dynamic channel ce_count attribute files */
-DEVICE_CHANNEL(ch0_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch0_ce_count, S_IRUGO,
                   channel_ce_count_show, NULL, 0);
-DEVICE_CHANNEL(ch1_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch1_ce_count, S_IRUGO,
                   channel_ce_count_show, NULL, 1);
-DEVICE_CHANNEL(ch2_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch2_ce_count, S_IRUGO,
                   channel_ce_count_show, NULL, 2);
-DEVICE_CHANNEL(ch3_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch3_ce_count, S_IRUGO,
                   channel_ce_count_show, NULL, 3);
-DEVICE_CHANNEL(ch4_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch4_ce_count, S_IRUGO,
                   channel_ce_count_show, NULL, 4);
-DEVICE_CHANNEL(ch5_ce_count, S_IRUGO | S_IWUSR,
+DEVICE_CHANNEL(ch5_ce_count, S_IRUGO,
                   channel_ce_count_show, NULL, 5);
 
 /* Total possible dynamic ce_count attribute file table */
-- 
1.7.10.4
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