From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9CE9C433E7 for ; Thu, 3 Sep 2020 06:52:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 93B9E20737 for ; Thu, 3 Sep 2020 06:52:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599115967; bh=P18CZjRD/W4Ew6VMDrHnTNpb37ACkwWG8C0VdoI9qZE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=wrh+n0Bj7l2vW291AZLKkr2tUHWRDfjsA9uoR7mCp/F9hd7DXyUD5oWnczOP7KtOy 7ZopN8zu8QOXzL6jraflI75d4Q30ZW8FApfjBdY8xZD6EEFbEhxvOx+6Uc1cuOdVrw 39jIIj0pccUvsgF3sZqMCtWeGr8jaLZqQv/BuU8A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725943AbgICGwr (ORCPT ); Thu, 3 Sep 2020 02:52:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:40510 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725919AbgICGwr (ORCPT ); Thu, 3 Sep 2020 02:52:47 -0400 Received: from localhost (unknown [122.171.179.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EC2582071B; Thu, 3 Sep 2020 06:52:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599115966; bh=P18CZjRD/W4Ew6VMDrHnTNpb37ACkwWG8C0VdoI9qZE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NuG1YthJcyJlWHnXnWhKvO+lNOmDMinMA5JvV5GfgRJVYAa8Prr/gU0UCnLeYolud 3QyZ7r+ZhD11rnMxg4tj20OOVL4FUu4PyfacTCqeu40oGtiqwlpbjtp4aIg1/XAXYO VNlME2GQW5QwwiRKz0Z15N4+MSAJea74fi2MSAmA= Date: Thu, 3 Sep 2020 12:22:42 +0530 From: Vinod Koul To: Andy Shevchenko Cc: dmaengine@vger.kernel.org, Dan Williams , Peter Ujfalusi Subject: Re: [PATCH v1] dmaengine: Save few bytes and increase readability of dma_request_chan() Message-ID: <20200903065242.GG2639@vkoul-mobl> References: <20200828144519.14483-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200828144519.14483-1-andriy.shevchenko@linux.intel.com> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 28-08-20, 17:45, Andy Shevchenko wrote: > Split IS_ERR_OR_NULL() check followed by additional conditional > to two simple conditionals. This increases readability and saves memory: > > Function old new delta > dma_request_chan 700 697 -3 > Total: Before=10224, After=10221, chg -0.03% Applied, thanks -- ~Vinod