[PATCH 1/2] w1: Use kfree_sensitive instead of memset+kfree

From: Alex Dewar
Date: Wed Sep 09 2020 - 15:41:33 EST


Issue identified with Coccinelle.

Signed-off-by: Alex Dewar <alex.dewar90@xxxxxxxxx>
---
drivers/w1/w1.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index e58c7592008d..4f597b0fd1da 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -71,8 +71,7 @@ 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)
--
2.28.0