[PATCH] w1: use kfree_sensitive() instead of kfree()

From: Qing Wang
Date: Wed Oct 20 2021 - 03:23:40 EST


From: Wang Qing <wangqing@xxxxxxxx>

use kfree_sensitive() derictly instead of memset zero and kfree().

Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
---
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 f2ae2e5..a0a6c3c
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -73,8 +73,7 @@ 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)
--
2.7.4