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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n8-20020aa79848000000b0066767d61b7esi2277059pfq.331.2023.06.20.12.42.12; Tue, 20 Jun 2023 12:42:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=NyEON1aF; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229798AbjFTSyA (ORCPT + 99 others); Tue, 20 Jun 2023 14:54:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229482AbjFTSx7 (ORCPT ); Tue, 20 Jun 2023 14:53:59 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7C532C2; Tue, 20 Jun 2023 11:53:58 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0BA2C6141D; Tue, 20 Jun 2023 18:53:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4FCBFC433C8; Tue, 20 Jun 2023 18:53:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1687287237; bh=YGBzCoLYLJcR3RjLUJw0fAYEk/ZC/rwN9dRo76RYMao=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=NyEON1aFPXuTqKb+PU1rUbfAtO2BmQp1JjT3NG4eTSRLfmPD/gxv+TofaW1mj4zQM c+WkBpcR9lMHf07eXf0T3m/cCyd4RGk98+nPDlvO9SfKw4Ll6SI+ooBkeIXY5r6KuH elsVcc/1D3Iajs7QlsH9dyD1EXIhHrku1wJgpVUICKxAJzdnVU/uozI/oGBcqsV6AK zzm5c7bhtPKs217FLczKUQVrlFOcTZgQMLe+Yi3E3C/lNqBR46+ZYrOAQezwA4mwV+ OGsN0hm7HZu1OvNgmNzbrlcBLTLH7GiyMFuGVjxPcWBEVYwHrFNgy4+YNL8Tt95ooC wFRhcen01sOBA== Message-ID: <4287595f7f2b588fb341ff8a710b6857.sboyd@kernel.org> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20230530093913.1656095-2-claudiu.beznea@microchip.com> References: <20230530093913.1656095-1-claudiu.beznea@microchip.com> <20230530093913.1656095-2-claudiu.beznea@microchip.com> Subject: Re: [PATCH 1/8] clk: vc5: check memory returned by kasprintf() From: Stephen Boyd Cc: aford173@gmail.com, mike.looijmans@topic.nl, robert.hancock@calian.com, shawn.guo@linaro.org, fabio.estevam@freescale.com, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, Claudiu Beznea To: Claudiu Beznea , kristo@kernel.org, luca.ceresoli@bootlin.com, michal.simek@xilinx.com, mturquette@baylibre.com, nm@ti.com, ssantosh@kernel.org Date: Tue, 20 Jun 2023 11:53:53 -0700 User-Agent: alot/0.10 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Claudiu Beznea (2023-05-30 02:39:06) > kasprintf() returns a pointer to dynamically allocated memory. > Pointer could be NULL in case allocation fails. Check pointer validity. > Identified with coccinelle (kmerr.cocci script). >=20 > Fixes: f491276a5168 ("clk: vc5: Allow Versaclock driver to support multip= le instances") > Signed-off-by: Claudiu Beznea > --- Applied to clk-next