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crypto: scatterwalk - Use sg_chain_ptr on chain entries

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commit 389a5390583a18e45bc4abd4439291abec5e7a63 upstream.

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@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tom Lendacky 2013-12-05 13:09:53 -06:00 committed by Greg Kroah-Hartman
parent a983e1d309
commit 9096e7d488
1 changed files with 1 additions and 1 deletions
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2
include/crypto/scatterwalk.h
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@ -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,