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Subject[PATCH 3.2 126/185] crypto: scatterwalk - Use sg_chain_ptr on chain entries
3.2.54-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Tom Lendacky <thomas.lendacky@amd.com>

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: Ben Hutchings <ben@decadent.org.uk>
---
include/crypto/scatterwalk.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -66,7 +66,7 @@ static inline struct scatterlist *scatte
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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