Received: by 2002:a05:6359:c8b:b0:c7:702f:21d4 with SMTP id go11csp3311299rwb; Mon, 3 Oct 2022 12:56:17 -0700 (PDT) X-Google-Smtp-Source: AMsMyM7STLx8QCMosvrfznjaV1oshkFYSElgmZEsTZWGZz4YpmppCuoIHChEFAdq4UXt0QQuv4ZU X-Received: by 2002:a05:6402:1cc1:b0:453:1517:94e4 with SMTP id ds1-20020a0564021cc100b00453151794e4mr19850536edb.399.1664826977205; Mon, 03 Oct 2022 12:56:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664826977; cv=none; d=google.com; s=arc-20160816; b=NA7Qw5w6L4fuJWkt/YVqPE9FhKmgxuWiXuZe+3pJjQlL5RdSvpBkMaI8aWs5pt42oD kHCp7HCCBjmvS0R9nn3KpgvaOrVum9KfHaJkGNJthwz0CXsS4KFfo0uJmg6Fv6pSw6NJ yowkX9eB2nFnHxz+th4ElKJTAJwTNErTtFltBD+e9LREA6g0fYCCQj+rw/texd7vCegi JlEVb9fwaWcsL0h6G8IyeG7cCxP2TkbJ7r/Z7aNiMQrdDH9/0fFqLP/uRX2RwghMb7vP /QfHk9xGEqEGHbKTRgUQu4neevvZ0/iWN77z5iKLmtY9PCJEAHeDPXuBr11Qdl8H71lK 9bwQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:user-agent:date:to:cc:from:subject :references:in-reply-to:content-transfer-encoding:mime-version :dkim-signature; bh=MAtg7jDIDFO35CN+8Gz4aSXHpYT+vFmA/qwTbN35zxs=; b=FiEQWUYMfW0ab2zlKLYXirS1kGGtFIRuT0rJWBYxKd5hTpi70Amb3GXgc6Tu2WuiQf Ki0WJnspYuQTzlNBPP/VxyNcGRDBxcwkHshqwypv/hYoje8cA37PQHLkWLvUyZ2W6hl9 winH+9K5dB5Wnio/IqI9onC/POsv+bJBUsMeUDf0PvtYMcjtD9n573p4aTg9lcQnIxNv QUzhN2UnLF/eU8vfOuF1ygZ8Be1MgbtRu6qk9tWGYRipmtS6q4UFYIo5UmrLkDqhVCuU 3ML7J49kZbKM1XChwWC/IAdXkTVYnXDhfBKW8VIuiQ6BiHgIZZOaV/pm6bLBsbBlQPRY Rrgw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=TfagG6Q0; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id i10-20020a170906264a00b0078789399a48si6378255ejc.870.2022.10.03.12.55.51; Mon, 03 Oct 2022 12:56:17 -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=TfagG6Q0; 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 S229723AbiJCTcl (ORCPT + 99 others); Mon, 3 Oct 2022 15:32:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229577AbiJCTcj (ORCPT ); Mon, 3 Oct 2022 15:32:39 -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 7F12230565; Mon, 3 Oct 2022 12:32:39 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1C381611AA; Mon, 3 Oct 2022 19:32:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 748B8C433D6; Mon, 3 Oct 2022 19:32:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664825558; bh=MAtg7jDIDFO35CN+8Gz4aSXHpYT+vFmA/qwTbN35zxs=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=TfagG6Q0/LUDJa2smU0DUyNLU0O3D0KiaK/b0WexBMUdOKQ1mMjZvBzhjmwleljyE AmgT0DUcY497aryhqUgKLY5Q7f7GzL6gjrghL6FI3AruPqmBFVpu9gwSM7jnLJC4In IFgCHvv3zJKfYW04b4zA3Nn0TgyTyiOrT2/oXI4ArFEjjX5mFy6G6+HSjbfsldYgYz lCJ9g19I/oRgp44naRPPMRwBf8ppUJlPjC7oSQB9tQkJ3XlcXIvuRsNehaovIHQKnk 8JlJm3mNlJZLg+cwhQW6Q+ovzD+qlRA/o46CvJLjKpL5PNJ5bnNOKIRUM3WsEPSjd/ ves7P0z7/OLWw== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: References: Subject: Re: [PATCH v2] clk: pxa: add a check for the return value of kzalloc() From: Stephen Boyd Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Xiaoke Wang To: mturquette@baylibre.com, xkernel.wang@foxmail.com Date: Mon, 03 Oct 2022 12:32:36 -0700 User-Agent: alot/0.10 Message-Id: <20221003193238.748B8C433D6@smtp.kernel.org> X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, 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 Quoting xkernel.wang@foxmail.com (2022-04-07 02:33:49) > From: Xiaoke Wang >=20 > kzalloc() is a memory allocation function which can return NULL when > some internal memory errors happen. So it is better to check it to > prevent potential wrong memory access. >=20 > Signed-off-by: Xiaoke Wang > --- Applied to clk-next