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Commit 0956e411 authored by Bernat, Yehezkel's avatar Bernat, Yehezkel Committed by Greg Kroah-Hartman
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thunderbolt: Make key root-only accessible 



Non-root user may read the key back after root wrote it there.
This removes read access to everyone but root.

Signed-off-by: default avatarYehezkel Bernat <yehezkel.bernat@intel.com>
Acked-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8fdd6ab3

drivers/thunderbolt/switch.c

+1 −1
Original line number Diff line number Diff line
@@ -826,7 +826,7 @@ static ssize_t key_store(struct device *dev, struct device_attribute *attr, 
	mutex_unlock(&switch_lock);

	return ret;

}

static DEVICE_ATTR_RW(key);

static DEVICE_ATTR(key, 0600, key_show, key_store);



static ssize_t nvm_authenticate_show(struct device *dev,

	struct device_attribute *attr, char *buf)