summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/crypto/omap-aes.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index e5b2120a12b..1cad12ef4f5 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -165,6 +165,8 @@ struct omap_aes_dev {
void *buf_out;
int dma_out;
struct dma_chan *dma_lch_out;
+ int in_sg_len;
+ int out_sg_len;
dma_addr_t dma_addr_out;
const struct omap_aes_pdata *pdata;
@@ -725,6 +727,10 @@ static int omap_aes_handle_queue(struct omap_aes_dev *dd,
dd->out_offset = 0;
dd->out_sg = req->dst;
+ dd->in_sg_len = scatterwalk_bytes_sglen(dd->in_sg, dd->total);
+ dd->out_sg_len = scatterwalk_bytes_sglen(dd->out_sg, dd->total);
+ BUG_ON(dd->in_sg_len < 0 || dd->out_sg_len < 0);
+
rctx = ablkcipher_request_ctx(req);
ctx = crypto_ablkcipher_ctx(crypto_ablkcipher_reqtfm(req));
rctx->mode &= FLAGS_MODE_MASK;