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Subject[PATCH 02/16 v2] Input: atmel_mxt_ts - only allow root to update firmware
Date
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 <djkurtz@chromium.org>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Nick Dyer <nick.dyer@itdev.co.uk>
---
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 0a6e368..15ae6fd 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


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