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From: Vasiliy Kulikov <segoon@openwall.com>
To: linux-kernel@vger.kernel.org
Cc: security@kernel.org,
	Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>,
	Linus Walleij <linus.walleij@stericsson.com>,
	Samuel Ortiz <sameo@linux.intel.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 09/20] mfd: ab3500: world-writable debugfs register-* files
Date: Fri,  4 Feb 2011 15:23:39 +0300	[thread overview]
Message-ID: <f67e210975afa7122a9bfe5e6c84ea84366a399f.1296818921.git.segoon@openwall.com> (raw)
In-Reply-To: <cover.1296818921.git.segoon@openwall.com>

Don't allow everybody to interact with hardware registers.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
---
 Compile tested only.

 drivers/mfd/ab3550-core.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/ab3550-core.c b/drivers/mfd/ab3550-core.c
index 5fbca34..681984d 100644
--- a/drivers/mfd/ab3550-core.c
+++ b/drivers/mfd/ab3550-core.c
@@ -1053,17 +1053,17 @@ static inline void ab3550_setup_debugfs(struct ab3550 *ab)
 		goto exit_destroy_dir;
 
 	ab3550_bank_file = debugfs_create_file("register-bank",
-		(S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_bank_fops);
+		(S_IRUGO | S_IWUSR), ab3550_dir, ab, &ab3550_bank_fops);
 	if (!ab3550_bank_file)
 		goto exit_destroy_reg;
 
 	ab3550_address_file = debugfs_create_file("register-address",
-		(S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_address_fops);
+		(S_IRUGO | S_IWUSR), ab3550_dir, ab, &ab3550_address_fops);
 	if (!ab3550_address_file)
 		goto exit_destroy_bank;
 
 	ab3550_val_file = debugfs_create_file("register-value",
-		(S_IRUGO | S_IWUGO), ab3550_dir, ab, &ab3550_val_fops);
+		(S_IRUGO | S_IWUSR), ab3550_dir, ab, &ab3550_val_fops);
 	if (!ab3550_val_file)
 		goto exit_destroy_address;
 
-- 
1.7.0.4


  parent reply	other threads:[~2011-02-04 12:26 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1296818921.git.segoon@openwall.com>
2011-02-04 12:23 ` [PATCH 01/20] mach-omap2: mux: world-writable debugfs files Vasiliy Kulikov
2011-02-04 20:09   ` Tony Lindgren
2011-02-04 12:23 ` [PATCH 02/20] mach-omap2: pm: world-writable debugfs timer files Vasiliy Kulikov
2011-02-04 20:10   ` Tony Lindgren
2011-02-04 22:53   ` Kevin Hilman
2011-02-04 12:23 ` [PATCH 03/20] mach-omap2: smartreflex: world-writable debugfs voltage files Vasiliy Kulikov
2011-02-04 20:10   ` Tony Lindgren
2011-02-04 22:54   ` Kevin Hilman
2011-02-07  5:33     ` Menon, Nishanth
2011-02-04 12:23 ` [PATCH 04/20] mach-ux500: mbox-db5500: world-writable sysfs fifo file Vasiliy Kulikov
2011-02-04 12:23 ` [PATCH 05/20] leds: lp5521: world-writable sysfs engine* files Vasiliy Kulikov
2011-02-04 12:23 ` [PATCH 06/20] leds: lp5523: world-writable engine* sysfs files Vasiliy Kulikov
2011-02-04 12:23 ` [PATCH 07/20] video: sn9c102: world-wirtable " Vasiliy Kulikov
2011-02-04 15:29   ` Mauro Carvalho Chehab
2011-02-04 20:28   ` Luca Risolia
2011-02-04 12:23 ` [PATCH 08/20] mfd: ab3100: world-writable debugfs *_priv files Vasiliy Kulikov
2011-02-18 17:01   ` Vasiliy Kulikov
2011-02-04 12:23 ` Vasiliy Kulikov [this message]
2011-02-04 12:23 ` [PATCH 10/20] mfd: ab8500: world-writable debugfs register-* files Vasiliy Kulikov
2011-02-04 12:23 ` [PATCH 11/20] misc: ep93xx_pwm: world-writable sysfs files Vasiliy Kulikov
2011-02-04 12:23 ` [PATCH 12/20] net: can: at91_can: " Vasiliy Kulikov
2011-02-04 12:42   ` Kurt Van Dijck
2011-02-04 21:06     ` David Miller
2011-02-07 11:38       ` About bittiming calculation result Tomoya MORINAGA
2011-02-07 12:00         ` Wolfgang Grandegger
2011-02-07 15:52           ` Wolfgang Grandegger
2011-02-08  1:27             ` Tomoya MORINAGA
2011-02-08  7:57               ` Wolfgang Grandegger
2011-02-08  1:09           ` Tomoya MORINAGA
2011-02-08  3:29             ` Bhupesh SHARMA
2011-02-08  4:11               ` Tomoya MORINAGA
2011-02-04 12:23 ` [PATCH 13/20] net: can: janz-ican3: world-writable sysfs termination file Vasiliy Kulikov
2011-02-04 21:06   ` David Miller
2011-02-04 12:23 ` [PATCH 14/20] platform: x86: acer-wmi: world-writable sysfs threeg file Vasiliy Kulikov
2011-02-04 12:23 ` [PATCH 15/20] platform: x86: asus_acpi: world-writable procfs files Vasiliy Kulikov
2011-02-04 12:53   ` Corentin Chary
2011-02-04 12:24 ` [PATCH 16/20] platform: x86: tc1100-wmi: world-writable sysfs wireless and jogdial files Vasiliy Kulikov
2011-02-04 12:24 ` [PATCH 17/20] rtc: rtc-ds1511: world-writable sysfs nvram file Vasiliy Kulikov
2011-02-04 12:24 ` [PATCH 18/20] scsi: aic94xx: world-writable sysfs update_bios file Vasiliy Kulikov
2011-02-04 12:24 ` [PATCH 19/20] scsi: iscsi: world-writable sysfs priv_sess file Vasiliy Kulikov
2011-03-13  8:28   ` Mike Christie
2011-02-04 12:24 ` [PATCH 20/20] fs: ubifs: world-writable debugfs dump_* files Vasiliy Kulikov
2011-02-06 15:16   ` Artem Bityutskiy
2011-02-21 11:42 ` [PATCH 00/20] world-writable files in sysfs and debugfs Samuel Ortiz
2011-03-12 20:23 ` Vasiliy Kulikov
2011-03-14 22:18   ` [Security] " Andrew Morton
2011-03-15  2:26   ` James Bottomley
2011-03-15  3:09     ` [Security] " Greg KH
2011-03-15 11:50       ` James Bottomley
2011-03-15 14:18         ` Greg KH
2011-03-15 14:25           ` James Bottomley
2011-03-15 16:08         ` Vasiliy Kulikov
2011-03-15 16:32           ` James Bottomley

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