From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Sat, 31 Mar 2007 02:14:37 +0000 (+1000)
Subject: [PATCH] CRYPTO api: Use the right value when advancing scatterwalk_copychunks
X-Git-Tag: v2.6.20.6~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05e624110bd9d839ad9ac1ffe2d0e01d11b2b604;p=thirdparty%2Fkernel%2Fstable.git

[PATCH] CRYPTO api: Use the right value when advancing scatterwalk_copychunks

In the scatterwalk_copychunks loop, We should be advancing by
len_this_page and not nbytes.  The latter is the total length.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
---

diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index a66423121773a..0f76175f623fe 100644
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -91,7 +91,7 @@ void scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
 		memcpy_dir(buf, vaddr, len_this_page, out);
 		scatterwalk_unmap(vaddr, out);
 
-		scatterwalk_advance(walk, nbytes);
+		scatterwalk_advance(walk, len_this_page);
 
 		if (nbytes == len_this_page)
 			break;