crypto: ccp - Remove unused structure field

Remove the length field from the ccp_sg_workarea since it is unused.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
index 71f2e3c..542453c 100644
--- a/drivers/crypto/ccp/ccp-ops.c
+++ b/drivers/crypto/ccp/ccp-ops.c
@@ -53,7 +53,6 @@
 struct ccp_sg_workarea {
 	struct scatterlist *sg;
 	unsigned int nents;
-	unsigned int length;
 
 	struct scatterlist *dma_sg;
 	struct device *dma_dev;
@@ -497,7 +496,6 @@
 		return 0;
 
 	wa->nents = sg_nents(sg);
-	wa->length = sg->length;
 	wa->bytes_left = len;
 	wa->sg_used = 0;