diff options
Diffstat (limited to 'drivers/crypto/omap-aes.c')
| -rw-r--r-- | drivers/crypto/omap-aes.c | 6 |
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; |