crypto: engine - Remove crypto_engine_ctx

Remove the obsolete crypto_engine_ctx structure.

Signed-off-by: Herbert Xu <[e-mail]>

crypto/crypto_engine.c

···
 	unsigned long flags;
 	bool was_busy = false;
 	int ret;
-	struct crypto_engine_ctx *enginectx;
 
 	spin_lock_irqsave(&engine->queue_lock, flags);
 
···
 				   struct crypto_engine_alg, base);
 		op = &alg->op;
 	} else {
-		enginectx = crypto_tfm_ctx(async_req->tfm);
-		op = &enginectx->op;
-
-		if (!op->do_one_request) {
-			dev_err(engine->dev, "failed to do request\n");
-			ret = -EINVAL;
-			goto req_err_1;
-		}
+		dev_err(engine->dev, "failed to do request\n");
+		ret = -EINVAL;
+		goto req_err_1;
 	}
 
 	ret = op->do_one_request(engine, async_req);

include/crypto/engine.h

···
 			      void *areq);
 };
 
-struct crypto_engine_ctx {
-	struct crypto_engine_op op;
-};
-
 struct aead_engine_alg {
 	struct aead_alg base;
 	struct crypto_engine_op op;