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>
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 @@
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,
