* [PATCH] w1: use kfree_sensitive() instead of kfree()
@ 2021-10-20 7:23 Qing Wang
0 siblings, 0 replies; only message in thread
From: Qing Wang @ 2021-10-20 7:23 UTC (permalink / raw)
To: Evgeniy Polyakov, linux-kernel; +Cc: Wang Qing
From: Wang Qing <wangqing@vivo.com>
use kfree_sensitive() derictly instead of memset zero and kfree().
Signed-off-by: Wang Qing <wangqing@vivo.com>
---
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
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2021-10-20 7:23 [PATCH] w1: use kfree_sensitive() instead of kfree() Qing Wang
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