Commit 389a5390 authored Dec 05, 2013 by Tom Lendacky Committed by Herbert Xu Dec 09, 2013

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.

Cc: stable@vger.kernel.org
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 8ec25c51

include/crypto/scatterwalk.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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,