From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id 65C7C6B00A2 for ; Mon, 16 Feb 2009 10:05:21 -0500 (EST) Message-Id: <20090216144725.816139782@cmpxchg.org> Date: Mon, 16 Feb 2009 15:29:30 +0100 From: Johannes Weiner Subject: [patch 4/8] md: use kzfree() References: <20090216142926.440561506@cmpxchg.org> Content-Disposition: inline; filename=md-use-kzfree.patch Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: Pekka Enberg , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Alasdair Kergon List-ID: 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, -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org