diff options
| -rw-r--r-- | drivers/crypto/omap-sham.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index a081c7c7d03f..222237014007 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -97,6 +97,7 @@ struct omap_sham_reqctx { unsigned long flags; unsigned long op; + u8 digest[SHA1_DIGEST_SIZE]; size_t digcnt; u8 *buffer; size_t bufcnt; @@ -194,7 +195,7 @@ static inline int omap_sham_wait(struct omap_sham_dev *dd, u32 offset, u32 bit) static void omap_sham_copy_hash(struct ahash_request *req, int out) { struct omap_sham_reqctx *ctx = ahash_request_ctx(req); - u32 *hash = (u32 *)req->result; + u32 *hash = (u32 *)ctx->digest; int i; if (likely(ctx->flags & FLAGS_SHA1)) { @@ -453,8 +454,11 @@ static void omap_sham_cleanup(struct ahash_request *req) ctx->flags |= FLAGS_CLEAN; spin_unlock_irqrestore(&dd->lock, flags); - if (ctx->digcnt) + if (ctx->digcnt) { clk_disable(dd->iclk); + memcpy(req->result, ctx->digest, (ctx->flags & FLAGS_SHA1) ? + SHA1_DIGEST_SIZE : MD5_DIGEST_SIZE); + } if (ctx->dma_addr) dma_unmap_single(dd->dev, ctx->dma_addr, ctx->buflen, @@ -576,6 +580,7 @@ static int omap_sham_final_req(struct omap_sham_dev *dd) static int omap_sham_finish_req_hmac(struct ahash_request *req) { + struct omap_sham_reqctx *ctx = ahash_request_ctx(req); struct omap_sham_ctx *tctx = crypto_tfm_ctx(req->base.tfm); struct omap_sham_hmac_ctx *bctx = tctx->base; int bs = crypto_shash_blocksize(bctx->shash); @@ -590,7 +595,7 @@ static int omap_sham_finish_req_hmac(struct ahash_request *req) return crypto_shash_init(&desc.shash) ?: crypto_shash_update(&desc.shash, bctx->opad, bs) ?: - crypto_shash_finup(&desc.shash, req->result, ds, req->result); + crypto_shash_finup(&desc.shash, ctx->digest, ds, ctx->digest); } static void omap_sham_finish_req(struct ahash_request *req, int err) |