[PATCH 1/2] crypto: caam - Fix DMA size in descriptor in ahash_digest()

[Vakul Garg <vakul@freescale.com>]

From: Steve Cornelius <steve.cornelius@freescale.com>

Save of DMA size in extended descriptor was missing.
Thus crashes could occur during post-request unmapping.

Signed-off-by: Steve Cornelius <steve.cornelius@freescale.com>
---
 drivers/crypto/caam/caamhash.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index 32aba7a..6a26b6b 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -1065,6 +1065,7 @@ static int ahash_digest(struct ahash_request *req)
 			  DESC_JOB_IO_LEN;
 	edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg,
 					    sec4_sg_bytes, DMA_TO_DEVICE);
+	edesc->sec4_sg_bytes = sec4_sg_bytes;
 	edesc->src_nents = src_nents;
 	edesc->chained = chained;
 
-- 
1.7.7.6