cifs: Use kzfree() to zero out the password
[ Upstream commit 478228e57f81f6cb60798d54fc02a74ea7dd267e ]
It's safer to zero out the password so that it can never be disclosed.
Fixes: 0c219f5799c7 ("cifs: set domainName when a domain-key is used in multiuser")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 2a199f4..e43ba6d 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2567,7 +2567,7 @@
rc = -ENOMEM;
kfree(vol->username);
vol->username = NULL;
- kfree(vol->password);
+ kzfree(vol->password);
vol->password = NULL;
goto out_key_put;
}