Thread (54 messages) 54 messages, 7 authors, 2012-03-30

[PATCH 02/20] Input: atmel_mxt_ts - only allow root to update firmware

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From: Daniel Kurtz <hidden>
Date: 2012-03-13 12:08:43
Also in: lkml
Subsystem: atmel maxtouch driver, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers: Nick Dyer, Dmitry Torokhov, Linus Torvalds

Revision v1 of 6 in this series.

Revisions (6)
  1. v1 current
  2. v2 [diff vs current]
  3. v3 [diff vs current]
  4. v4 [diff vs current]
  5. v5 [diff vs current]
  6. v6 [diff vs current] 
Restrict permissions on the update_fw sysfs entry to read only for root
only.

Also, update object permission to use a macro S_IRUGO macro instead of
hard coded 0444.

Signed-off-by: Daniel Kurtz <redacted>
---
 drivers/input/touchscreen/atmel_mxt_ts.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index b71de8f..0d4d492 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1049,8 +1049,8 @@ static ssize_t mxt_update_fw_store(struct device *dev,
 	return count;
 }
 
-static DEVICE_ATTR(object, 0444, mxt_object_show, NULL);
-static DEVICE_ATTR(update_fw, 0664, NULL, mxt_update_fw_store);
+static DEVICE_ATTR(object, S_IRUGO, mxt_object_show, NULL);
+static DEVICE_ATTR(update_fw, S_IWUSR, NULL, mxt_update_fw_store);
 
 static struct attribute *mxt_attrs[] = {
 	&dev_attr_object.attr,
-- 
1.7.7.3
Other recent patches touching these files
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