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: v2.6.21-rc6~41
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=beff804d8dd360ccb4dd0096c9fd77a93fe9049e;p=linux-2.6

[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: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index a664231217..0f76175f62 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;