This is a note to let you know that I've just added the patch titled
EDAC: Don't give write permission to read-only files
to the 3.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
edac-don-t-give-write-permission-to-read-only-files.patch
and it can be found in the queue-3.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c8c64d165ccfd2274058ac84e0c680f9b48c4ec1 Mon Sep 17 00:00:00 2001
From: "Srivatsa S. Bhat" <srivatsa.bhat@xxxxxxxxxxxxxxxxxx>
Date: Tue, 30 Apr 2013 15:17:16 +0530
Subject: EDAC: Don't give write permission to read-only files
From: "Srivatsa S. Bhat" <srivatsa.bhat@xxxxxxxxxxxxxxxxxx>
commit c8c64d165ccfd2274058ac84e0c680f9b48c4ec1 upstream.
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 <srivatsa.bhat@xxxxxxxxxxxxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
[ shorten commit message ]
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/edac/edac_mc_sysfs.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -327,17 +327,17 @@ static struct device_attribute *dynamic_
};
/* 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 */
Patches currently in stable-queue which might be from srivatsa.bhat@xxxxxxxxxxxxxxxxxx are
queue-3.9/edac-don-t-give-write-permission-to-read-only-files.patch
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