crypto: caam - fix inconsistent assoc dma mapping direction
req->assoc is dma mapped BIDIRECTIONAL and unmapped TO_DEVICE.
Since it is read-only for the device, use TO_DEVICE both for mapping
and unmapping.
Cc: <stable@vger.kernel.org> # 3.9, 3.8
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 765fdf5..bf416a8 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -1154,7 +1154,7 @@
dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained);
sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1,
- DMA_BIDIRECTIONAL, assoc_chained);
+ DMA_TO_DEVICE, assoc_chained);
if (likely(req->src == req->dst)) {
sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1,
DMA_BIDIRECTIONAL, src_chained);
@@ -1336,7 +1336,7 @@
dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained);
sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1,
- DMA_BIDIRECTIONAL, assoc_chained);
+ DMA_TO_DEVICE, assoc_chained);
if (likely(req->src == req->dst)) {
sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1,
DMA_BIDIRECTIONAL, src_chained);