From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752970AbZBPPGJ (ORCPT ); Mon, 16 Feb 2009 10:06:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754747AbZBPPFB (ORCPT ); Mon, 16 Feb 2009 10:05:01 -0500 Received: from cmpxchg.org ([85.214.51.133]:49272 "EHLO cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754729AbZBPPE7 (ORCPT ); Mon, 16 Feb 2009 10:04:59 -0500 Message-Id: <20090216144725.816139782@cmpxchg.org> User-Agent: quilt/0.47-1 Date: Mon, 16 Feb 2009 15:29:30 +0100 From: Johannes Weiner To: Andrew Morton Cc: Pekka Enberg , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Alasdair Kergon Subject: [patch 4/8] md: use kzfree() References: <20090216142926.440561506@cmpxchg.org> Content-Disposition: inline; filename=md-use-kzfree.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use kzfree() instead of memset() + kfree(). Signed-off-by: Johannes Weiner Cc: Alasdair Kergon --- drivers/md/dm-crypt.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1137,8 +1137,7 @@ bad_ivmode: crypto_free_ablkcipher(tfm); bad_cipher: /* Must zero key material before freeing */ - memset(cc, 0, sizeof(*cc) + cc->key_size * sizeof(u8)); - kfree(cc); + kzfree(cc); return -EINVAL; } @@ -1164,8 +1163,7 @@ static void crypt_dtr(struct dm_target * dm_put_device(ti, cc->dev); /* Must zero key material before freeing */ - memset(cc, 0, sizeof(*cc) + cc->key_size * sizeof(u8)); - kfree(cc); + kzfree(cc); } static int crypt_map(struct dm_target *ti, struct bio *bio,