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Message-ID: <20131205190953.16167.59879.stgit@tlendack-t1.amdoffice.net>
Date: Thu, 5 Dec 2013 13:09:53 -0600
From: Tom Lendacky <thomas.lendacky@....com>
To: <davem@...emloft.net>, <linux-crypto@...r.kernel.org>,
<herbert@...dor.apana.org.au>
CC: <linux-kernel@...r.kernel.org>
Subject: [PATCH] crypto: scatterwalk - Use sg_chain_ptr on chain entries
Now that scatterwalk_sg_chain sets the chain pointer bit the sg_page
call in scatterwalk_sg_next hits a BUG_ON when CONFIG_DEBUG_SG is
enabled. Use sg_chain_ptr instead of sg_page on a chain entry.
Signed-off-by: Tom Lendacky <thomas.lendacky@....com>
---
include/crypto/scatterwalk.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h
index 64ebede..6a626a5 100644
--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -44,7 +44,7 @@ static inline struct scatterlist *scatterwalk_sg_next(struct scatterlist *sg)
if (sg_is_last(sg))
return NULL;
- return (++sg)->length ? sg : (void *)sg_page(sg);
+ return (++sg)->length ? sg : sg_chain_ptr(sg);
}
static inline void scatterwalk_crypto_chain(struct scatterlist *head,
--
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