On Wed, May 11, 2022 at 02:49:54PM +0800, Yang Yingliang wrote: > Use kfree_sensitive() instead of open-coding it. > > Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> > --- > 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 f2ae2e563dc5..a0a6c3c739d9 100644 > --- 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); Does this actually change anything? Why is the memset being called here at all? thanks, greg k-h