[PATCH 2/2] w1: Use kfree_sensitive() to clear memory safely

[unassigned]

---
 drivers/w1/w1.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 486f321eadc8..5afc7d6cb6cf 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -68,8 +68,7 @@ static void w1_master_release(struct device *dev)
 	struct w1_master *md = dev_to_w1_master(dev);
 
 	dev_dbg(dev, "%s: Releasing %s.\n", __func__, md->name);
-	memset(md, 0, sizeof(struct w1_master) + sizeof(struct w1_bus_master));
-	kfree(md);
+	kfree_sensitive(md);
 }
 
 static void w1_slave_release(struct device *dev)
@@ -793,10 +792,7 @@ int w1_unref_slave(struct w1_slave *sl)
 
 		w1_family_notify(BUS_NOTIFY_DEL_DEVICE, sl);
 		device_unregister(&sl->dev);
-		#ifdef DEBUG
-		memset(sl, 0, sizeof(*sl));
-		#endif
-		kfree(sl);
+		kfree_sensitive(sl);
 	}
 	atomic_dec(&dev->refcnt);
 	mutex_unlock(&dev->list_mutex);
-- 
2.47.3