diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/atmel-sha.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index e4757f8957ae..7b93586154a7 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -979,37 +979,17 @@ static int atmel_sha_update(struct ahash_request *req) static int atmel_sha_final(struct ahash_request *req) { struct atmel_sha_reqctx *ctx = ahash_request_ctx(req); - struct atmel_sha_ctx *tctx = crypto_tfm_ctx(req->base.tfm); - struct atmel_sha_dev *dd = tctx->dd; - - int err = 0; ctx->flags |= SHA_FLAGS_FINUP; if (ctx->flags & SHA_FLAGS_ERROR) return 0; /* uncompleted hash is not needed */ - if (ctx->bufcnt) { - return atmel_sha_enqueue(req, SHA_OP_FINAL); - } else if (!(ctx->flags & SHA_FLAGS_PAD)) { /* add padding */ - err = atmel_sha_hw_init(dd); - if (err) - goto err1; - - dd->req = req; - dd->flags |= SHA_FLAGS_BUSY; - err = atmel_sha_final_req(dd); - } else { + if (ctx->flags & SHA_FLAGS_PAD) /* copy ready hash (+ finalize hmac) */ return atmel_sha_finish(req); - } - -err1: - if (err != -EINPROGRESS) - /* done_task will not finish it, so do it here */ - atmel_sha_finish_req(req, err); - return err; + return atmel_sha_enqueue(req, SHA_OP_FINAL); } static int atmel_sha_finup(struct ahash_request *req) |