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[2620:137:e000::1:20]) by mx.google.com with ESMTP id r22-20020a638f56000000b005653316de6fsi1251208pgn.271.2023.08.10.02.44.09; Thu, 10 Aug 2023 02:44:21 -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=@linaro.org header.s=google header.b=Tgi2kkRM; 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=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230100AbjHJH5G (ORCPT + 99 others); Thu, 10 Aug 2023 03:57:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233662AbjHJH5E (ORCPT ); Thu, 10 Aug 2023 03:57:04 -0400 Received: from mail-yb1-xb36.google.com (mail-yb1-xb36.google.com [IPv6:2607:f8b0:4864:20::b36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 548A81BCF for ; Thu, 10 Aug 2023 00:57:04 -0700 (PDT) Received: by mail-yb1-xb36.google.com with SMTP id 3f1490d57ef6-ccc462deca6so590996276.0 for ; Thu, 10 Aug 2023 00:57:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1691654223; x=1692259023; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=0STt0Takw7Y0P938rttZLRMpSJH30p1wWPnOAeM08cE=; b=Tgi2kkRMtZ0BZuUMn6u4JHBS7YtfvbqcG2i1jqQG0JS4U0nwI1114IQtgzjX+c7IR4 0TJOl5EJPwnUE5mF+PvN8A1cdrlWOOG0Gg5WffRqVRfE//eOsu19ScjKA6bZ3M4PXUt7 oN924JhHC6uJpsAt1lGRD67Up8j+Gk+hLJj3zoQP0UwhYVARbmyXPwbUXfhEw8n68XaT 0RmFMyoV3BES3k/uwrhtkJLvApLYipW7Mwmt2qlWKz3hR1JEig6Z1uY5bXTBHU24lie5 dmsfjdFTVoWgTvZR6tRYDk86uFZG/qXSbv0M3Rp2lxd5yIREEAgFZxOSB3J7DqODxPKz U92A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691654223; x=1692259023; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0STt0Takw7Y0P938rttZLRMpSJH30p1wWPnOAeM08cE=; b=Aqy9gvM9gZFBGm7lHtK+xjJXLMm8HZWu+aJfo2YgnMAb9zVCle4fVup7xr15VoFKlk 5e/Q8fOSdUNzHvX+33qrQWaO6zeOxYI1O3+HhTcQxrwlJeBWv2J8gF/c8/VGntOMku9f g2FM0vnV1Gan8JL1fyj2qdTh93tA3e1Lh+iJzZU+gtsabQiPTX8JlXhpMoN2URYtgqFS /yIk9mBlu+S7wy05sCSgGRlqWDxivCSk8GwQS2lf2Z38bxPkn0UgCRwiXRXxxGetKZaC IFfU8A9hpbU80cEQfGWdc2Q8m+wsFAtmsLTFhuOYmkon4m9ceOadB/zY9hk2PbSSsXMS mEXQ== X-Gm-Message-State: AOJu0Yy9pAGoLI7IFO+Z1bnXDccuPWFrZjUTJohB5zZom4Ge3X3AF4MH MZtWPtKdanr6gyTojee74CvXfj6ltRRP6GTkngphA93JTsZE3otf X-Received: by 2002:a25:ac65:0:b0:d4b:6936:90f9 with SMTP id r37-20020a25ac65000000b00d4b693690f9mr1961508ybd.49.1691654223538; Thu, 10 Aug 2023 00:57:03 -0700 (PDT) MIME-Version: 1.0 References: <20230621100409.1608395-1-claudiu.beznea@microchip.com> In-Reply-To: <20230621100409.1608395-1-claudiu.beznea@microchip.com> From: Linus Walleij Date: Thu, 10 Aug 2023 09:56:52 +0200 Message-ID: Subject: Re: [PATCH v2] pinctrl: mcp23s08: check return value of devm_kasprintf() To: Claudiu Beznea Cc: andriy.shevchenko@linux.intel.com, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS 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 On Wed, Jun 21, 2023 at 12:04=E2=80=AFPM Claudiu Beznea wrote: > devm_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). > > Fixes: 0f04a81784fe ("pinctrl: mcp23s08: Split to three parts: core, I=C2= =B2C, SPI") > Signed-off-by: Claudiu Beznea Patch applied! Yours, Linus Walleij