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From: Vlad Yasevich <vladislav.yasevich@hp.com>
To: lkml <linux-kernel@vger.kernel.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>, jens.axboe@oracle.com
Subject: [PATCH] [CRYPTO]: Fix hmac_digest from the SG breakage.
Date: Thu, 25 Oct 2007 16:07:17 -0400	[thread overview]
Message-ID: <4720F775.8030702@hp.com> (raw)

Crypto now uses SG helper functions.  Fix hmac_digest to use those
functions correctly and fix the oops associated with it.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 crypto/hmac.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/crypto/hmac.c b/crypto/hmac.c
index e4eb6ac..8b7a832 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -158,10 +158,12 @@ static int hmac_digest(struct hash_desc *pdesc, struct scatterlist *sg,
 	desc.tfm = ctx->child;
 	desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
 
+	sg_init_table(sg1, 2);
 	sg_set_buf(sg1, ipad, bs);
-
-	sg_set_page(&sg[1], (void *) sg);
+	sg_set_page(&sg1[1], (void *) sg);
 	sg1[1].length = 0;
+
+	sg_init_table(sg2, 1);
 	sg_set_buf(sg2, opad, bs + ds);
 
 	err = crypto_hash_digest(&desc, sg1, nbytes + bs, digest);
-- 
1.5.2.4


             reply	other threads:[~2007-10-25 20:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-25 20:07 Vlad Yasevich [this message]
2007-10-26  1:46 ` [PATCH] [CRYPTO]: Fix hmac_digest from the SG breakage David Miller
2007-10-26  2:42   ` Herbert Xu
2007-10-26 13:43   ` Vlad Yasevich
2007-10-26 13:52     ` Herbert Xu
2007-10-26 16:59       ` Jens Axboe

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