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* [PATCH] crypto: scatterwalk - Use sg_chain_ptr on chain entries
@ 2013-12-05 19:09 Tom Lendacky
  2013-12-09 11:57 ` Herbert Xu
  0 siblings, 1 reply; 2+ messages in thread
From: Tom Lendacky @ 2013-12-05 19:09 UTC (permalink / raw)
  To: davem, linux-crypto, herbert; +Cc: linux-kernel

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>
---
 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,



^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] crypto: scatterwalk - Use sg_chain_ptr on chain entries
  2013-12-05 19:09 [PATCH] crypto: scatterwalk - Use sg_chain_ptr on chain entries Tom Lendacky
@ 2013-12-09 11:57 ` Herbert Xu
  0 siblings, 0 replies; 2+ messages in thread
From: Herbert Xu @ 2013-12-09 11:57 UTC (permalink / raw)
  To: Tom Lendacky; +Cc: davem, linux-crypto, linux-kernel

On Thu, Dec 05, 2013 at 01:09:53PM -0600, Tom Lendacky wrote:
> 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>

Patch applied.  Thanks!
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

^ permalink raw reply	[flat|nested] 2+ messages in thread

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