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=-5.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 727EDC4CECD for ; Tue, 17 Sep 2019 09:18:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B21821897 for ; Tue, 17 Sep 2019 09:18:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="dHJuIjqR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726963AbfIQJSQ (ORCPT ); Tue, 17 Sep 2019 05:18:16 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:38819 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726843AbfIQJSQ (ORCPT ); Tue, 17 Sep 2019 05:18:16 -0400 Received: by mail-wr1-f68.google.com with SMTP id l11so2298769wrx.5 for ; Tue, 17 Sep 2019 02:18:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=date:from:to:cc:subject:in-reply-to:message-id:references :user-agent:mime-version; bh=ZmyRTH11FKZjg3p5bM7cG4+5udISP5256aWYiASckV4=; b=dHJuIjqRrMgYB6fmsR6dYurmuJBGEplDO2KM8mJBxvGK3M53S8DAFRSK5dQwECdgo0 Gg2XAY0BNCAkaT/SxqegMe6rlZNrz9i6rFpfy2td6EfNmHUON7rzQkU/XovsjYJ90y+t K33DN9idOuOz2XnClLuxfxO38v7z8Im6sfNbjjKsVwPAwR1fnS5LVeIko7SxjXHIq7To 4RWuwxLjux3xOfSZedVplKgwccufxiplMB1/w6XOwgDZtXsKOxNtYDoOn4L7uAF/gH38 uXjC4ywXmgWtO77ZW45qC+KW/pWaepiGGlKxyoPYKN8gmJFbmPUmaBNo/nuwn2WUNtKr Ccug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:in-reply-to:message-id :references:user-agent:mime-version; bh=ZmyRTH11FKZjg3p5bM7cG4+5udISP5256aWYiASckV4=; b=tyCt2g5wedsKCRKcXs8spVsf4G4X6srX5/JIRy2IEptZabxkSkzcr0HCmUt6T9azCR BUNp8f+qVyEsy4og9SruAtVozw6gTCGBR9vGCaXLjhiyfnSHOqlryiBfvaI5cTHa7qtk IOwoLhuLboUz85DulSoipYdnNceESiGrZCbRNhVtdTLnQ1eU8YqSXbTC9Pumm4lWUR6q Z1Kn3DTreSmZzURx/8Vnk4eJLGcdjirkLXHmc3BVU+oXVAx9l5irD8AmT900i8EN1L0J dpdAGKfLXAOzd6/pn55rsPsmu/Vox4mKlgfO/LhANqOimpxzgjCH6mzERl6rzEUo5uGl t6VA== X-Gm-Message-State: APjAAAX01fEWvZXWmps0bcs9l43jHdc2B7j3bjlemeKRW6NFLXk+LlOb /DA1YUWHcJSAUtlRlJcCkLEZJw== X-Google-Smtp-Source: APXvYqzMcsMkF+IzOhVUpVJstLoCK/jTQlsQSur1FiOv4mcOYSPoHSHQehqpCbl+eHk03Y8y2kTFOA== X-Received: by 2002:a5d:5111:: with SMTP id s17mr2177174wrt.59.1568711894210; Tue, 17 Sep 2019 02:18:14 -0700 (PDT) Received: from localhost ([195.200.173.126]) by smtp.gmail.com with ESMTPSA id 26sm1849272wmf.20.2019.09.17.02.18.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Sep 2019 02:18:13 -0700 (PDT) Date: Tue, 17 Sep 2019 02:18:12 -0700 (PDT) From: Paul Walmsley X-X-Sender: paulw@viisi.sifive.com To: Aurabindo Jayamohanan cc: broonie@kernel.org, palmer@sifive.com, linux-spi@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] spi: sifive: check return value for platform_get_resource() In-Reply-To: <20190917085627.4562-1-mail@aurabindo.in> Message-ID: References: <20190917085627.4562-1-mail@aurabindo.in> User-Agent: Alpine 2.21.9999 (DEB 301 2018-08-15) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 17 Sep 2019, Aurabindo Jayamohanan wrote: > platform_get_resource() may return NULL. If it is so, return -ENXIO > > Signed-off-by: Aurabindo Jayamohanan Reviewed-by: Paul Walmsley - Paul